Finding the Fourth Proportional to 2,530.57, 3,492.39 and 1,411.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.57 : 3,492.39 = 1,411.87 : x
2. Step 2: Convert to fraction form
   2,530.57/3,492.39 = 1,411.87/x
3. Step 3: Cross multiply
   2,530.57x = 3,492.39 × 1,411.87
4. Step 4: Simplify right side
   2,530.57x = 4,930,800.67
5. Step 5: Solve for x
   x = 4,930,800.67/2,530.57
6. Step 6: Final answer
   x = 1,948.49