Finding the Fourth Proportional to 1,610.88, 2,414.15 and 1,325.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.88 : 2,414.15 = 1,325.76 : x
2. Step 2: Convert to fraction form
   1,610.88/2,414.15 = 1,325.76/x
3. Step 3: Cross multiply
   1,610.88x = 2,414.15 × 1,325.76
4. Step 4: Simplify right side
   1,610.88x = 3,200,580.25
5. Step 5: Solve for x
   x = 3,200,580.25/1,610.88
6. Step 6: Final answer
   x = 1,986.86