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Finding the Fourth Proportional to 29,495.31, 40,703.26 and 20,547.78

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Solution

The fourth proportional to 29,495.31, 40,703.26 and 20,547.78 is: 28,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,495.31 : 40,703.26 = 20,547.78 : x
  2. Step 2: Convert to fraction form
    29,495.31/40,703.26 = 20,547.78/x
  3. Step 3: Cross multiply
    29,495.31x = 40,703.26 × 20,547.78
  4. Step 4: Simplify right side
    29,495.31x = 836,361,631.76
  5. Step 5: Solve for x
    x = 836,361,631.76/29,495.31
  6. Step 6: Final answer
    x = 28,355.75

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