Finding the Fourth Proportional to 52,586.83, 72,572.78 and 28,715.73

Step by Step Solution

1. Step 1: Write the proportion equation
   52,586.83 : 72,572.78 = 28,715.73 : x
2. Step 2: Convert to fraction form
   52,586.83/72,572.78 = 28,715.73/x
3. Step 3: Cross multiply
   52,586.83x = 72,572.78 × 28,715.73
4. Step 4: Simplify right side
   52,586.83x = 2,083,980,355.83
5. Step 5: Solve for x
   x = 2,083,980,355.83/52,586.83
6. Step 6: Final answer
   x = 39,629.32