Finding the Fourth Proportional to 17,141.96, 25,671.42 and 11,862.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,141.96 : 25,671.42 = 11,862.18 : x
2. Step 2: Convert to fraction form
   17,141.96/25,671.42 = 11,862.18/x
3. Step 3: Cross multiply
   17,141.96x = 25,671.42 × 11,862.18
4. Step 4: Simplify right side
   17,141.96x = 304,519,004.90
5. Step 5: Solve for x
   x = 304,519,004.90/17,141.96
6. Step 6: Final answer
   x = 17,764.54