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Finding the Fourth Proportional to 52,242.24, 78,363.36 and 18,966.72

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Solution

The fourth proportional to 52,242.24, 78,363.36 and 18,966.72 is: 28,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,242.24 : 78,363.36 = 18,966.72 : x
  2. Step 2: Convert to fraction form
    52,242.24/78,363.36 = 18,966.72/x
  3. Step 3: Cross multiply
    52,242.24x = 78,363.36 × 18,966.72
  4. Step 4: Simplify right side
    52,242.24x = 1,486,295,907.38
  5. Step 5: Solve for x
    x = 1,486,295,907.38/52,242.24
  6. Step 6: Final answer
    x = 28,450.08

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