Finding the Fourth Proportional to 1,419.55, 1,959.26 and 922.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.55 : 1,959.26 = 922.61 : x
2. Step 2: Convert to fraction form
   1,419.55/1,959.26 = 922.61/x
3. Step 3: Cross multiply
   1,419.55x = 1,959.26 × 922.61
4. Step 4: Simplify right side
   1,419.55x = 1,807,633.15
5. Step 5: Solve for x
   x = 1,807,633.15/1,419.55
6. Step 6: Final answer
   x = 1,273.39