Finding the Fourth Proportional to 17,055.18, 23,534.55 and 12,581.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,055.18 : 23,534.55 = 12,581.42 : x
2. Step 2: Convert to fraction form
   17,055.18/23,534.55 = 12,581.42/x
3. Step 3: Cross multiply
   17,055.18x = 23,534.55 × 12,581.42
4. Step 4: Simplify right side
   17,055.18x = 296,097,940.39
5. Step 5: Solve for x
   x = 296,097,940.39/17,055.18
6. Step 6: Final answer
   x = 17,361.17