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Finding the Fourth Proportional to 30,557.88, 45,842.22 and 15,762.78

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Solution

The fourth proportional to 30,557.88, 45,842.22 and 15,762.78 is: 23,646.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.88 : 45,842.22 = 15,762.78 : x
  2. Step 2: Convert to fraction form
    30,557.88/45,842.22 = 15,762.78/x
  3. Step 3: Cross multiply
    30,557.88x = 45,842.22 × 15,762.78
  4. Step 4: Simplify right side
    30,557.88x = 722,600,828.57
  5. Step 5: Solve for x
    x = 722,600,828.57/30,557.88
  6. Step 6: Final answer
    x = 23,646.96

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