Finding the Fourth Proportional to 2,074.88, 3,113.76 and 1,426.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.88 : 3,113.76 = 1,426.24 : x
2. Step 2: Convert to fraction form
   2,074.88/3,113.76 = 1,426.24/x
3. Step 3: Cross multiply
   2,074.88x = 3,113.76 × 1,426.24
4. Step 4: Simplify right side
   2,074.88x = 4,440,969.06
5. Step 5: Solve for x
   x = 4,440,969.06/2,074.88
6. Step 6: Final answer
   x = 2,140.35