Finding the Fourth Proportional to 5,498.48, 7,587.86 and 3,140.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,498.48 : 7,587.86 = 3,140.48 : x
2. Step 2: Convert to fraction form
   5,498.48/7,587.86 = 3,140.48/x
3. Step 3: Cross multiply
   5,498.48x = 7,587.86 × 3,140.48
4. Step 4: Simplify right side
   5,498.48x = 23,829,522.57
5. Step 5: Solve for x
   x = 23,829,522.57/5,498.48
6. Step 6: Final answer
   x = 4,333.84