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Finding the Fourth Proportional to 73,215.98, 109,782.33 and 28,818.66

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Solution

The fourth proportional to 73,215.98, 109,782.33 and 28,818.66 is: 43,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215.98 : 109,782.33 = 28,818.66 : x
  2. Step 2: Convert to fraction form
    73,215.98/109,782.33 = 28,818.66/x
  3. Step 3: Cross multiply
    73,215.98x = 109,782.33 × 28,818.66
  4. Step 4: Simplify right side
    73,215.98x = 3,163,779,642.28
  5. Step 5: Solve for x
    x = 3,163,779,642.28/73,215.98
  6. Step 6: Final answer
    x = 43,211.60

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