Finding the Fourth Proportional to 22,487.42, 33,705.48 and 13,702.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,487.42 : 33,705.48 = 13,702.88 : x
2. Step 2: Convert to fraction form
   22,487.42/33,705.48 = 13,702.88/x
3. Step 3: Cross multiply
   22,487.42x = 33,705.48 × 13,702.88
4. Step 4: Simplify right side
   22,487.42x = 461,862,147.78
5. Step 5: Solve for x
   x = 461,862,147.78/22,487.42
6. Step 6: Final answer
   x = 20,538.69