Finding the Fourth Proportional to 1,838.04, 2,754.18 and 1,426.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838.04 : 2,754.18 = 1,426.20 : x
2. Step 2: Convert to fraction form
   1,838.04/2,754.18 = 1,426.20/x
3. Step 3: Cross multiply
   1,838.04x = 2,754.18 × 1,426.20
4. Step 4: Simplify right side
   1,838.04x = 3,928,011.52
5. Step 5: Solve for x
   x = 3,928,011.52/1,838.04
6. Step 6: Final answer
   x = 2,137.07