Finding the Fourth Proportional to 1,342.31, 1,853.06 and 922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.31 : 1,853.06 = 922.82 : x
2. Step 2: Convert to fraction form
   1,342.31/1,853.06 = 922.82/x
3. Step 3: Cross multiply
   1,342.31x = 1,853.06 × 922.82
4. Step 4: Simplify right side
   1,342.31x = 1,710,040.83
5. Step 5: Solve for x
   x = 1,710,040.83/1,342.31
6. Step 6: Final answer
   x = 1,273.95