Finding the Fourth Proportional to 13,513.24, 18,648.09 and 7,545.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,513.24 : 18,648.09 = 7,545.01 : x
2. Step 2: Convert to fraction form
   13,513.24/18,648.09 = 7,545.01/x
3. Step 3: Cross multiply
   13,513.24x = 18,648.09 × 7,545.01
4. Step 4: Simplify right side
   13,513.24x = 140,699,932.29
5. Step 5: Solve for x
   x = 140,699,932.29/13,513.24
6. Step 6: Final answer
   x = 10,412.01