Finding the Fourth Proportional to 2,610.32, 3,601.90 and 1,491.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.32 : 3,601.90 = 1,491.20 : x
2. Step 2: Convert to fraction form
   2,610.32/3,601.90 = 1,491.20/x
3. Step 3: Cross multiply
   2,610.32x = 3,601.90 × 1,491.20
4. Step 4: Simplify right side
   2,610.32x = 5,371,153.28
5. Step 5: Solve for x
   x = 5,371,153.28/2,610.32
6. Step 6: Final answer
   x = 2,057.66