Finding the Fourth Proportional to 22,661.42, 31,265.22 and 13,705.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,661.42 : 31,265.22 = 13,705.52 : x
2. Step 2: Convert to fraction form
   22,661.42/31,265.22 = 13,705.52/x
3. Step 3: Cross multiply
   22,661.42x = 31,265.22 × 13,705.52
4. Step 4: Simplify right side
   22,661.42x = 428,506,098.01
5. Step 5: Solve for x
   x = 428,506,098.01/22,661.42
6. Step 6: Final answer
   x = 18,909.06