Finding the Fourth Proportional to 7,488.80, 10,328.96 and 5,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,488.80 : 10,328.96 = 5,498.72 : x
2. Step 2: Convert to fraction form
   7,488.80/10,328.96 = 5,498.72/x
3. Step 3: Cross multiply
   7,488.80x = 10,328.96 × 5,498.72
4. Step 4: Simplify right side
   7,488.80x = 56,796,058.93
5. Step 5: Solve for x
   x = 56,796,058.93/7,488.80
6. Step 6: Final answer
   x = 7,584.13