Finding the Fourth Proportional to 52,593.12, 72,587.88 and 31,081.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,593.12 : 72,587.88 = 31,081.98 : x
2. Step 2: Convert to fraction form
   52,593.12/72,587.88 = 31,081.98/x
3. Step 3: Cross multiply
   52,593.12x = 72,587.88 × 31,081.98
4. Step 4: Simplify right side
   52,593.12x = 2,256,175,034.40
5. Step 5: Solve for x
   x = 2,256,175,034.40/52,593.12
6. Step 6: Final answer
   x = 42,898.67