Finding the Fourth Proportional to 13,488.04, 18,613.02 and 7,519.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,488.04 : 18,613.02 = 7,519.96 : x
2. Step 2: Convert to fraction form
   13,488.04/18,613.02 = 7,519.96/x
3. Step 3: Cross multiply
   13,488.04x = 18,613.02 × 7,519.96
4. Step 4: Simplify right side
   13,488.04x = 139,969,165.88
5. Step 5: Solve for x
   x = 139,969,165.88/13,488.04
6. Step 6: Final answer
   x = 10,377.28