Finding the Fourth Proportional to 22,627.54, 31,225.52 and 12,555.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,627.54 : 31,225.52 = 12,555.76 : x
2. Step 2: Convert to fraction form
   22,627.54/31,225.52 = 12,555.76/x
3. Step 3: Cross multiply
   22,627.54x = 31,225.52 × 12,555.76
4. Step 4: Simplify right side
   22,627.54x = 392,059,978.87
5. Step 5: Solve for x
   x = 392,059,978.87/22,627.54
6. Step 6: Final answer
   x = 17,326.68