Finding the Fourth Proportional to 52,306.92, 72,194.04 and 31,082.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,306.92 : 72,194.04 = 31,082.09 : x
2. Step 2: Convert to fraction form
   52,306.92/72,194.04 = 31,082.09/x
3. Step 3: Cross multiply
   52,306.92x = 72,194.04 × 31,082.09
4. Step 4: Simplify right side
   52,306.92x = 2,243,941,648.74
5. Step 5: Solve for x
   x = 2,243,941,648.74/52,306.92
6. Step 6: Final answer
   x = 42,899.52