Finding the Fourth Proportional to 11,691.34, 17,539.68 and 3,371.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,691.34 : 17,539.68 = 3,371.42 : x
2. Step 2: Convert to fraction form
   11,691.34/17,539.68 = 3,371.42/x
3. Step 3: Cross multiply
   11,691.34x = 17,539.68 × 3,371.42
4. Step 4: Simplify right side
   11,691.34x = 59,133,627.95
5. Step 5: Solve for x
   x = 59,133,627.95/11,691.34
6. Step 6: Final answer
   x = 5,057.90