Finding the Fourth Proportional to 11,419.13, 17,127.88 and 3,520.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,419.13 : 17,127.88 = 3,520.82 : x
2. Step 2: Convert to fraction form
   11,419.13/17,127.88 = 3,520.82/x
3. Step 3: Cross multiply
   11,419.13x = 17,127.88 × 3,520.82
4. Step 4: Simplify right side
   11,419.13x = 60,304,209.88
5. Step 5: Solve for x
   x = 60,304,209.88/11,419.13
6. Step 6: Final answer
   x = 5,280.98