Finding the Fourth Proportional to 52,614.79, 72,605.71 and 28,736.86

Step by Step Solution

1. Step 1: Write the proportion equation
   52,614.79 : 72,605.71 = 28,736.86 : x
2. Step 2: Convert to fraction form
   52,614.79/72,605.71 = 28,736.86/x
3. Step 3: Cross multiply
   52,614.79x = 72,605.71 × 28,736.86
4. Step 4: Simplify right side
   52,614.79x = 2,086,460,123.47
5. Step 5: Solve for x
   x = 2,086,460,123.47/52,614.79
6. Step 6: Final answer
   x = 39,655.39