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Finding the Fourth Proportional to 78,058.24, 107,722.98 and 47,837.72

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Solution

The fourth proportional to 78,058.24, 107,722.98 and 47,837.72 is: 66,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,058.24 : 107,722.98 = 47,837.72 : x
  2. Step 2: Convert to fraction form
    78,058.24/107,722.98 = 47,837.72/x
  3. Step 3: Cross multiply
    78,058.24x = 107,722.98 × 47,837.72
  4. Step 4: Simplify right side
    78,058.24x = 5,153,222,024.11
  5. Step 5: Solve for x
    x = 5,153,222,024.11/78,058.24
  6. Step 6: Final answer
    x = 66,017.66

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