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Finding the Fourth Proportional to 56,774.16, 78,351.84 and 31,623.66

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Solution

The fourth proportional to 56,774.16, 78,351.84 and 31,623.66 is: 43,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,774.16 : 78,351.84 = 31,623.66 : x
  2. Step 2: Convert to fraction form
    56,774.16/78,351.84 = 31,623.66/x
  3. Step 3: Cross multiply
    56,774.16x = 78,351.84 × 31,623.66
  4. Step 4: Simplify right side
    56,774.16x = 2,477,771,948.53
  5. Step 5: Solve for x
    x = 2,477,771,948.53/56,774.16
  6. Step 6: Final answer
    x = 43,642.60

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