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Finding the Fourth Proportional to 79,578.36, 109,817.51 and 45,585.72

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Solution

The fourth proportional to 79,578.36, 109,817.51 and 45,585.72 is: 62,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,578.36 : 109,817.51 = 45,585.72 : x
  2. Step 2: Convert to fraction form
    79,578.36/109,817.51 = 45,585.72/x
  3. Step 3: Cross multiply
    79,578.36x = 109,817.51 × 45,585.72
  4. Step 4: Simplify right side
    79,578.36x = 5,006,110,034.03
  5. Step 5: Solve for x
    x = 5,006,110,034.03/79,578.36
  6. Step 6: Final answer
    x = 62,907.93

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