Finding the Fourth Proportional to 22,414.82, 30,931.20 and 12,342.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,414.82 : 30,931.20 = 12,342.86 : x
2. Step 2: Convert to fraction form
   22,414.82/30,931.20 = 12,342.86/x
3. Step 3: Cross multiply
   22,414.82x = 30,931.20 × 12,342.86
4. Step 4: Simplify right side
   22,414.82x = 381,779,471.23
5. Step 5: Solve for x
   x = 381,779,471.23/22,414.82
6. Step 6: Final answer
   x = 17,032.46