Finding the Fourth Proportional to 22,662.16, 31,262.88 and 14,706.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.16 : 31,262.88 = 14,706.88 : x
2. Step 2: Convert to fraction form
   22,662.16/31,262.88 = 14,706.88/x
3. Step 3: Cross multiply
   22,662.16x = 31,262.88 × 14,706.88
4. Step 4: Simplify right side
   22,662.16x = 459,779,424.61
5. Step 5: Solve for x
   x = 459,779,424.61/22,662.16
6. Step 6: Final answer
   x = 20,288.42