Finding the Fourth Proportional to 52,127.31, 71,935.88 and 28,253.91

Step by Step Solution

1. Step 1: Write the proportion equation
   52,127.31 : 71,935.88 = 28,253.91 : x
2. Step 2: Convert to fraction form
   52,127.31/71,935.88 = 28,253.91/x
3. Step 3: Cross multiply
   52,127.31x = 71,935.88 × 28,253.91
4. Step 4: Simplify right side
   52,127.31x = 2,032,469,738.02
5. Step 5: Solve for x
   x = 2,032,469,738.02/52,127.31
6. Step 6: Final answer
   x = 38,990.50