Finding the Fourth Proportional to 52,605.38, 72,595.32 and 28,731.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,605.38 : 72,595.32 = 28,731.98 : x
2. Step 2: Convert to fraction form
   52,605.38/72,595.32 = 28,731.98/x
3. Step 3: Cross multiply
   52,605.38x = 72,595.32 × 28,731.98
4. Step 4: Simplify right side
   52,605.38x = 2,085,807,282.33
5. Step 5: Solve for x
   x = 2,085,807,282.33/52,605.38
6. Step 6: Final answer
   x = 39,650.08