Finding the Fourth Proportional to 1,342.43, 1,852.60 and 783.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.43 : 1,852.60 = 783.27 : x
2. Step 2: Convert to fraction form
   1,342.43/1,852.60 = 783.27/x
3. Step 3: Cross multiply
   1,342.43x = 1,852.60 × 783.27
4. Step 4: Simplify right side
   1,342.43x = 1,451,083.31
5. Step 5: Solve for x
   x = 1,451,083.31/1,342.43
6. Step 6: Final answer
   x = 1,080.94