Finding the Fourth Proportional to 5,498.72, 8,247.88 and 1,603.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,498.72 : 8,247.88 = 1,603.20 : x
2. Step 2: Convert to fraction form
   5,498.72/8,247.88 = 1,603.20/x
3. Step 3: Cross multiply
   5,498.72x = 8,247.88 × 1,603.20
4. Step 4: Simplify right side
   5,498.72x = 13,223,001.22
5. Step 5: Solve for x
   x = 13,223,001.22/5,498.72
6. Step 6: Final answer
   x = 2,404.74