Finding the Fourth Proportional to 5,061.18, 7,591.14 and 2,139.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,061.18 : 7,591.14 = 2,139.12 : x
2. Step 2: Convert to fraction form
   5,061.18/7,591.14 = 2,139.12/x
3. Step 3: Cross multiply
   5,061.18x = 7,591.14 × 2,139.12
4. Step 4: Simplify right side
   5,061.18x = 16,238,359.40
5. Step 5: Solve for x
   x = 16,238,359.40/5,061.18
6. Step 6: Final answer
   x = 3,208.41