Finding the Fourth Proportional to 13,502.52, 18,634.37 and 7,534.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,502.52 : 18,634.37 = 7,534.31 : x
2. Step 2: Convert to fraction form
   13,502.52/18,634.37 = 7,534.31/x
3. Step 3: Cross multiply
   13,502.52x = 18,634.37 × 7,534.31
4. Step 4: Simplify right side
   13,502.52x = 140,397,120.23
5. Step 5: Solve for x
   x = 140,397,120.23/13,502.52
6. Step 6: Final answer
   x = 10,397.85