Finding the Fourth Proportional to 10,118.96, 15,185.17 and 3,545.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.96 : 15,185.17 = 3,545.13 : x
2. Step 2: Convert to fraction form
   10,118.96/15,185.17 = 3,545.13/x
3. Step 3: Cross multiply
   10,118.96x = 15,185.17 × 3,545.13
4. Step 4: Simplify right side
   10,118.96x = 53,833,401.72
5. Step 5: Solve for x
   x = 53,833,401.72/10,118.96
6. Step 6: Final answer
   x = 5,320.06