Finding the Fourth Proportional to 13,502.39, 18,631.89 and 7,452.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,502.39 : 18,631.89 = 7,452.52 : x
2. Step 2: Convert to fraction form
   13,502.39/18,631.89 = 7,452.52/x
3. Step 3: Cross multiply
   13,502.39x = 18,631.89 × 7,452.52
4. Step 4: Simplify right side
   13,502.39x = 138,854,608.55
5. Step 5: Solve for x
   x = 138,854,608.55/13,502.39
6. Step 6: Final answer
   x = 10,283.70