Finding the Fourth Proportional to 17,608.62, 26,361.72 and 13,701.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,608.62 : 26,361.72 = 13,701.18 : x
2. Step 2: Convert to fraction form
   17,608.62/26,361.72 = 13,701.18/x
3. Step 3: Cross multiply
   17,608.62x = 26,361.72 × 13,701.18
4. Step 4: Simplify right side
   17,608.62x = 361,186,670.83
5. Step 5: Solve for x
   x = 361,186,670.83/17,608.62
6. Step 6: Final answer
   x = 20,511.92