Finding the Fourth Proportional to 2,742.21, 4,113.84 and 1,426.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.21 : 4,113.84 = 1,426.59 : x
2. Step 2: Convert to fraction form
   2,742.21/4,113.84 = 1,426.59/x
3. Step 3: Cross multiply
   2,742.21x = 4,113.84 × 1,426.59
4. Step 4: Simplify right side
   2,742.21x = 5,868,763.01
5. Step 5: Solve for x
   x = 5,868,763.01/2,742.21
6. Step 6: Final answer
   x = 2,140.16