Finding the Fourth Proportional to 10,119.12, 15,185.51 and 3,545.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,119.12 : 15,185.51 = 3,545.37 : x
2. Step 2: Convert to fraction form
   10,119.12/15,185.51 = 3,545.37/x
3. Step 3: Cross multiply
   10,119.12x = 15,185.51 × 3,545.37
4. Step 4: Simplify right side
   10,119.12x = 53,838,233.86
5. Step 5: Solve for x
   x = 53,838,233.86/10,119.12
6. Step 6: Final answer
   x = 5,320.45