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Finding the Fourth Proportional to 66,893.32, 92,315.61 and 40,030.63

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Solution

The fourth proportional to 66,893.32, 92,315.61 and 40,030.63 is: 55,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,893.32 : 92,315.61 = 40,030.63 : x
  2. Step 2: Convert to fraction form
    66,893.32/92,315.61 = 40,030.63/x
  3. Step 3: Cross multiply
    66,893.32x = 92,315.61 × 40,030.63
  4. Step 4: Simplify right side
    66,893.32x = 3,695,452,027.13
  5. Step 5: Solve for x
    x = 3,695,452,027.13/66,893.32
  6. Step 6: Final answer
    x = 55,243.96

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