Finding the Fourth Proportional to 3,543.89, 4,885.49 and 2,492.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,543.89 : 4,885.49 = 2,492.69 : x
2. Step 2: Convert to fraction form
   3,543.89/4,885.49 = 2,492.69/x
3. Step 3: Cross multiply
   3,543.89x = 4,885.49 × 2,492.69
4. Step 4: Simplify right side
   3,543.89x = 12,177,993.87
5. Step 5: Solve for x
   x = 12,177,993.87/3,543.89
6. Step 6: Final answer
   x = 3,436.34