Finding the Fourth Proportional to 1,521.92, 2,099.37 and 1,025.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.92 : 2,099.37 = 1,025.25 : x
2. Step 2: Convert to fraction form
   1,521.92/2,099.37 = 1,025.25/x
3. Step 3: Cross multiply
   1,521.92x = 2,099.37 × 1,025.25
4. Step 4: Simplify right side
   1,521.92x = 2,152,379.09
5. Step 5: Solve for x
   x = 2,152,379.09/1,521.92
6. Step 6: Final answer
   x = 1,414.25