Finding the Fourth Proportional to 52,372.72, 72,275.23 and 28,499.76

Step by Step Solution

1. Step 1: Write the proportion equation
   52,372.72 : 72,275.23 = 28,499.76 : x
2. Step 2: Convert to fraction form
   52,372.72/72,275.23 = 28,499.76/x
3. Step 3: Cross multiply
   52,372.72x = 72,275.23 × 28,499.76
4. Step 4: Simplify right side
   52,372.72x = 2,059,826,708.94
5. Step 5: Solve for x
   x = 2,059,826,708.94/52,372.72
6. Step 6: Final answer
   x = 39,330.15