Finding the Fourth Proportional to 2,642.76, 3,959.60 and 1,410.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.76 : 3,959.60 = 1,410.75 : x
2. Step 2: Convert to fraction form
   2,642.76/3,959.60 = 1,410.75/x
3. Step 3: Cross multiply
   2,642.76x = 3,959.60 × 1,410.75
4. Step 4: Simplify right side
   2,642.76x = 5,585,998.65
5. Step 5: Solve for x
   x = 5,585,998.65/2,642.76
6. Step 6: Final answer
   x = 2,113.70