Finding the Fourth Proportional to 5,498.54, 7,587.98 and 2,980.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,498.54 : 7,587.98 = 2,980.72 : x
2. Step 2: Convert to fraction form
   5,498.54/7,587.98 = 2,980.72/x
3. Step 3: Cross multiply
   5,498.54x = 7,587.98 × 2,980.72
4. Step 4: Simplify right side
   5,498.54x = 22,617,609.87
5. Step 5: Solve for x
   x = 22,617,609.87/5,498.54
6. Step 6: Final answer
   x = 4,113.38