Finding the Fourth Proportional to 5,498.06, 7,587.98 and 3,108.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,498.06 : 7,587.98 = 3,108.12 : x
2. Step 2: Convert to fraction form
   5,498.06/7,587.98 = 3,108.12/x
3. Step 3: Cross multiply
   5,498.06x = 7,587.98 × 3,108.12
4. Step 4: Simplify right side
   5,498.06x = 23,584,336.86
5. Step 5: Solve for x
   x = 23,584,336.86/5,498.06
6. Step 6: Final answer
   x = 4,289.58