Finding the Fourth Proportional to 52,585.47, 72,569.67 and 28,713.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,585.47 : 72,569.67 = 28,713.96 : x
2. Step 2: Convert to fraction form
   52,585.47/72,569.67 = 28,713.96/x
3. Step 3: Cross multiply
   52,585.47x = 72,569.67 × 28,713.96
4. Step 4: Simplify right side
   52,585.47x = 2,083,762,601.59
5. Step 5: Solve for x
   x = 2,083,762,601.59/52,585.47
6. Step 6: Final answer
   x = 39,626.20