Finding the Fourth Proportional to 1,826.89, 2,520.89 and 1,080.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.89 : 2,520.89 = 1,080.68 : x
2. Step 2: Convert to fraction form
   1,826.89/2,520.89 = 1,080.68/x
3. Step 3: Cross multiply
   1,826.89x = 2,520.89 × 1,080.68
4. Step 4: Simplify right side
   1,826.89x = 2,724,261.45
5. Step 5: Solve for x
   x = 2,724,261.45/1,826.89
6. Step 6: Final answer
   x = 1,491.20