Finding the Fourth Proportional to 1,342.82, 1,852.70 and 922.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.82 : 1,852.70 = 922.34 : x
2. Step 2: Convert to fraction form
   1,342.82/1,852.70 = 922.34/x
3. Step 3: Cross multiply
   1,342.82x = 1,852.70 × 922.34
4. Step 4: Simplify right side
   1,342.82x = 1,708,819.32
5. Step 5: Solve for x
   x = 1,708,819.32/1,342.82
6. Step 6: Final answer
   x = 1,272.56