Finding the Fourth Proportional to 52,532.31, 72,493.15 and 28,658.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,532.31 : 72,493.15 = 28,658.98 : x
2. Step 2: Convert to fraction form
   52,532.31/72,493.15 = 28,658.98/x
3. Step 3: Cross multiply
   52,532.31x = 72,493.15 × 28,658.98
4. Step 4: Simplify right side
   52,532.31x = 2,077,579,373.52
5. Step 5: Solve for x
   x = 2,077,579,373.52/52,532.31
6. Step 6: Final answer
   x = 39,548.60