Finding the Fourth Proportional to 1,419.54, 1,959.54 and 922.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.54 : 1,959.54 = 922.61 : x
2. Step 2: Convert to fraction form
   1,419.54/1,959.54 = 922.61/x
3. Step 3: Cross multiply
   1,419.54x = 1,959.54 × 922.61
4. Step 4: Simplify right side
   1,419.54x = 1,807,881.40
5. Step 5: Solve for x
   x = 1,807,881.40/1,419.54
6. Step 6: Final answer
   x = 1,273.57