Finding the Fourth Proportional to 1,811.96, 2,500.62 and 1,025.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.96 : 2,500.62 = 1,025.72 : x
2. Step 2: Convert to fraction form
   1,811.96/2,500.62 = 1,025.72/x
3. Step 3: Cross multiply
   1,811.96x = 2,500.62 × 1,025.72
4. Step 4: Simplify right side
   1,811.96x = 2,564,935.95
5. Step 5: Solve for x
   x = 2,564,935.95/1,811.96
6. Step 6: Final answer
   x = 1,415.56