Finding the Fourth Proportional to 2,610.43, 3,912.91 and 1,376.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.43 : 3,912.91 = 1,376.60 : x
2. Step 2: Convert to fraction form
   2,610.43/3,912.91 = 1,376.60/x
3. Step 3: Cross multiply
   2,610.43x = 3,912.91 × 1,376.60
4. Step 4: Simplify right side
   2,610.43x = 5,386,488.90
5. Step 5: Solve for x
   x = 5,386,488.90/2,610.43
6. Step 6: Final answer
   x = 2,063.45