Finding the Fourth Proportional to 52,617.05, 72,610.71 and 28,743.26

Step by Step Solution

1. Step 1: Write the proportion equation
   52,617.05 : 72,610.71 = 28,743.26 : x
2. Step 2: Convert to fraction form
   52,617.05/72,610.71 = 28,743.26/x
3. Step 3: Cross multiply
   52,617.05x = 72,610.71 × 28,743.26
4. Step 4: Simplify right side
   52,617.05x = 2,087,068,516.31
5. Step 5: Solve for x
   x = 2,087,068,516.31/52,617.05
6. Step 6: Final answer
   x = 39,665.25