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Finding the Fourth Proportional to 66,167.40, 99,378.76 and 56,701.18

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Solution

The fourth proportional to 66,167.40, 99,378.76 and 56,701.18 is: 85,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,167.40 : 99,378.76 = 56,701.18 : x
  2. Step 2: Convert to fraction form
    66,167.40/99,378.76 = 56,701.18/x
  3. Step 3: Cross multiply
    66,167.40x = 99,378.76 × 56,701.18
  4. Step 4: Simplify right side
    66,167.40x = 5,634,892,958.94
  5. Step 5: Solve for x
    x = 5,634,892,958.94/66,167.40
  6. Step 6: Final answer
    x = 85,161.17

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