Finding the Fourth Proportional to 22,932.14, 31,648.19 and 12,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,932.14 : 31,648.19 = 12,861.50 : x
2. Step 2: Convert to fraction form
   22,932.14/31,648.19 = 12,861.50/x
3. Step 3: Cross multiply
   22,932.14x = 31,648.19 × 12,861.50
4. Step 4: Simplify right side
   22,932.14x = 407,042,973.14
5. Step 5: Solve for x
   x = 407,042,973.14/22,932.14
6. Step 6: Final answer
   x = 17,749.89