Finding the Fourth Proportional to 1,811.88, 2,500.33 and 1,025.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.88 : 2,500.33 = 1,025.91 : x
2. Step 2: Convert to fraction form
   1,811.88/2,500.33 = 1,025.91/x
3. Step 3: Cross multiply
   1,811.88x = 2,500.33 × 1,025.91
4. Step 4: Simplify right side
   1,811.88x = 2,565,113.55
5. Step 5: Solve for x
   x = 2,565,113.55/1,811.88
6. Step 6: Final answer
   x = 1,415.72