Finding the Fourth Proportional to 71,862.90, 107,663.01 and 52,092.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,862.90 : 107,663.01 = 52,092.42 : x
2. Step 2: Convert to fraction form
   71,862.90/107,663.01 = 52,092.42/x
3. Step 3: Cross multiply
   71,862.90x = 107,663.01 × 52,092.42
4. Step 4: Simplify right side
   71,862.90x = 5,608,426,735.38
5. Step 5: Solve for x
   x = 5,608,426,735.38/71,862.90
6. Step 6: Final answer
   x = 78,043.42