Finding the Fourth Proportional to 22,662, 31,275.48 and 12,727.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662 : 31,275.48 = 12,727.92 : x
2. Step 2: Convert to fraction form
   22,662/31,275.48 = 12,727.92/x
3. Step 3: Cross multiply
   22,662x = 31,275.48 × 12,727.92
4. Step 4: Simplify right side
   22,662x = 398,071,807.40
5. Step 5: Solve for x
   x = 398,071,807.40/22,662
6. Step 6: Final answer
   x = 17,565.61