Finding the Fourth Proportional to 13,520.52, 18,658.32 and 7,552.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,520.52 : 18,658.32 = 7,552.37 : x
2. Step 2: Convert to fraction form
   13,520.52/18,658.32 = 7,552.37/x
3. Step 3: Cross multiply
   13,520.52x = 18,658.32 × 7,552.37
4. Step 4: Simplify right side
   13,520.52x = 140,914,554.54
5. Step 5: Solve for x
   x = 140,914,554.54/13,520.52
6. Step 6: Final answer
   x = 10,422.27