Finding the Fourth Proportional to 10,118.86, 15,185.25 and 3,545.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.86 : 15,185.25 = 3,545.08 : x
2. Step 2: Convert to fraction form
   10,118.86/15,185.25 = 3,545.08/x
3. Step 3: Cross multiply
   10,118.86x = 15,185.25 × 3,545.08
4. Step 4: Simplify right side
   10,118.86x = 53,832,926.07
5. Step 5: Solve for x
   x = 53,832,926.07/10,118.86
6. Step 6: Final answer
   x = 5,320.06