Finding the Fourth Proportional to 5,498.32, 7,587.78 and 2,980.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,498.32 : 7,587.78 = 2,980.48 : x
2. Step 2: Convert to fraction form
   5,498.32/7,587.78 = 2,980.48/x
3. Step 3: Cross multiply
   5,498.32x = 7,587.78 × 2,980.48
4. Step 4: Simplify right side
   5,498.32x = 22,615,226.53
5. Step 5: Solve for x
   x = 22,615,226.53/5,498.32
6. Step 6: Final answer
   x = 4,113.12