Finding the Fourth Proportional to 52,572.72, 72,551.97 and 28,700.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,572.72 : 72,551.97 = 28,700.94 : x
2. Step 2: Convert to fraction form
   52,572.72/72,551.97 = 28,700.94/x
3. Step 3: Cross multiply
   52,572.72x = 72,551.97 × 28,700.94
4. Step 4: Simplify right side
   52,572.72x = 2,082,309,737.85
5. Step 5: Solve for x
   x = 2,082,309,737.85/52,572.72
6. Step 6: Final answer
   x = 39,608.18