Finding the Fourth Proportional to 22,503.52, 31,056.78 and 12,433.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,503.52 : 31,056.78 = 12,433.06 : x
2. Step 2: Convert to fraction form
   22,503.52/31,056.78 = 12,433.06/x
3. Step 3: Cross multiply
   22,503.52x = 31,056.78 × 12,433.06
4. Step 4: Simplify right side
   22,503.52x = 386,130,809.15
5. Step 5: Solve for x
   x = 386,130,809.15/22,503.52
6. Step 6: Final answer
   x = 17,158.68