Finding the Fourth Proportional to 52,604.52, 72,591.57 and 28,726.62

Step by Step Solution

1. Step 1: Write the proportion equation
   52,604.52 : 72,591.57 = 28,726.62 : x
2. Step 2: Convert to fraction form
   52,604.52/72,591.57 = 28,726.62/x
3. Step 3: Cross multiply
   52,604.52x = 72,591.57 × 28,726.62
4. Step 4: Simplify right side
   52,604.52x = 2,085,310,446.59
5. Step 5: Solve for x
   x = 2,085,310,446.59/52,604.52
6. Step 6: Final answer
   x = 39,641.28