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Finding the Fourth Proportional to 359,130.58, 537,365.23 and 287,836.98

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Solution

The fourth proportional to 359,130.58, 537,365.23 and 287,836.98 is: 430,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,130.58 : 537,365.23 = 287,836.98 : x
  2. Step 2: Convert to fraction form
    359,130.58/537,365.23 = 287,836.98/x
  3. Step 3: Cross multiply
    359,130.58x = 537,365.23 × 287,836.98
  4. Step 4: Simplify right side
    359,130.58x = 154,673,584,960.21
  5. Step 5: Solve for x
    x = 154,673,584,960.21/359,130.58
  6. Step 6: Final answer
    x = 430,688.98

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