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Finding the Fourth Proportional to 42,637.99, 63,970.31 and 14,558.71

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Solution

The fourth proportional to 42,637.99, 63,970.31 and 14,558.71 is: 21,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,637.99 : 63,970.31 = 14,558.71 : x
  2. Step 2: Convert to fraction form
    42,637.99/63,970.31 = 14,558.71/x
  3. Step 3: Cross multiply
    42,637.99x = 63,970.31 × 14,558.71
  4. Step 4: Simplify right side
    42,637.99x = 931,325,191.90
  5. Step 5: Solve for x
    x = 931,325,191.90/42,637.99
  6. Step 6: Final answer
    x = 21,842.61

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