Finding the Fourth Proportional to 22,842.54, 31,521.42 and 12,632.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,842.54 : 31,521.42 = 12,632.98 : x
2. Step 2: Convert to fraction form
   22,842.54/31,521.42 = 12,632.98/x
3. Step 3: Cross multiply
   22,842.54x = 31,521.42 × 12,632.98
4. Step 4: Simplify right side
   22,842.54x = 398,209,468.43
5. Step 5: Solve for x
   x = 398,209,468.43/22,842.54
6. Step 6: Final answer
   x = 17,432.80