Finding the Fourth Proportional to 22,932.87, 31,648.73 and 12,861.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,932.87 : 31,648.73 = 12,861.88 : x
2. Step 2: Convert to fraction form
   22,932.87/31,648.73 = 12,861.88/x
3. Step 3: Cross multiply
   22,932.87x = 31,648.73 × 12,861.88
4. Step 4: Simplify right side
   22,932.87x = 407,061,979.48
5. Step 5: Solve for x
   x = 407,061,979.48/22,932.87
6. Step 6: Final answer
   x = 17,750.15