Finding the Fourth Proportional to 52,599.72, 72,581.07 and 31,086.93

Step by Step Solution

1. Step 1: Write the proportion equation
   52,599.72 : 72,581.07 = 31,086.93 : x
2. Step 2: Convert to fraction form
   52,599.72/72,581.07 = 31,086.93/x
3. Step 3: Cross multiply
   52,599.72x = 72,581.07 × 31,086.93
4. Step 4: Simplify right side
   52,599.72x = 2,256,322,642.42
5. Step 5: Solve for x
   x = 2,256,322,642.42/52,599.72
6. Step 6: Final answer
   x = 42,896.10