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Finding the Fourth Proportional to 10,557.74, 15,840.11 and 3,541.07

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Solution

The fourth proportional to 10,557.74, 15,840.11 and 3,541.07 is: 5,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.74 : 15,840.11 = 3,541.07 : x
  2. Step 2: Convert to fraction form
    10,557.74/15,840.11 = 3,541.07/x
  3. Step 3: Cross multiply
    10,557.74x = 15,840.11 × 3,541.07
  4. Step 4: Simplify right side
    10,557.74x = 56,090,877.75
  5. Step 5: Solve for x
    x = 56,090,877.75/10,557.74
  6. Step 6: Final answer
    x = 5,312.77

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