Finding the Fourth Proportional to 52,605.57, 72,595.59 and 28,732.23

Step by Step Solution

1. Step 1: Write the proportion equation
   52,605.57 : 72,595.59 = 28,732.23 : x
2. Step 2: Convert to fraction form
   52,605.57/72,595.59 = 28,732.23/x
3. Step 3: Cross multiply
   52,605.57x = 72,595.59 × 28,732.23
4. Step 4: Simplify right side
   52,605.57x = 2,085,833,188.87
5. Step 5: Solve for x
   x = 2,085,833,188.87/52,605.57
6. Step 6: Final answer
   x = 39,650.42