Finding the Fourth Proportional to 5,498.01, 7,586.85 and 3,139.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,498.01 : 7,586.85 = 3,139.68 : x
2. Step 2: Convert to fraction form
   5,498.01/7,586.85 = 3,139.68/x
3. Step 3: Cross multiply
   5,498.01x = 7,586.85 × 3,139.68
4. Step 4: Simplify right side
   5,498.01x = 23,820,281.21
5. Step 5: Solve for x
   x = 23,820,281.21/5,498.01
6. Step 6: Final answer
   x = 4,332.53