Finding the Fourth Proportional to 52,803.30, 72,868.98 and 28,932.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,803.30 : 72,868.98 = 28,932.18 : x
2. Step 2: Convert to fraction form
   52,803.30/72,868.98 = 28,932.18/x
3. Step 3: Cross multiply
   52,803.30x = 72,868.98 × 28,932.18
4. Step 4: Simplify right side
   52,803.30x = 2,108,258,445.78
5. Step 5: Solve for x
   x = 2,108,258,445.78/52,803.30
6. Step 6: Final answer
   x = 39,926.64