Finding the Fourth Proportional to 22,592.29, 31,177.30 and 12,383.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,592.29 : 31,177.30 = 12,383.57 : x
2. Step 2: Convert to fraction form
   22,592.29/31,177.30 = 12,383.57/x
3. Step 3: Cross multiply
   22,592.29x = 31,177.30 × 12,383.57
4. Step 4: Simplify right side
   22,592.29x = 386,086,276.96
5. Step 5: Solve for x
   x = 386,086,276.96/22,592.29
6. Step 6: Final answer
   x = 17,089.29