Finding the Fourth Proportional to 22,432.43, 30,956.59 and 12,360.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,432.43 : 30,956.59 = 12,360.63 : x
2. Step 2: Convert to fraction form
   22,432.43/30,956.59 = 12,360.63/x
3. Step 3: Cross multiply
   22,432.43x = 30,956.59 × 12,360.63
4. Step 4: Simplify right side
   22,432.43x = 382,643,086.59
5. Step 5: Solve for x
   x = 382,643,086.59/22,432.43
6. Step 6: Final answer
   x = 17,057.58