Finding the Fourth Proportional to 1,426.06, 2,143.55 and 942.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.06 : 2,143.55 = 942.22 : x
2. Step 2: Convert to fraction form
   1,426.06/2,143.55 = 942.22/x
3. Step 3: Cross multiply
   1,426.06x = 2,143.55 × 942.22
4. Step 4: Simplify right side
   1,426.06x = 2,019,695.68
5. Step 5: Solve for x
   x = 2,019,695.68/1,426.06
6. Step 6: Final answer
   x = 1,416.28