Finding the Fourth Proportional to 1,342.44, 1,852.61 and 782.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.44 : 1,852.61 = 782.82 : x
2. Step 2: Convert to fraction form
   1,342.44/1,852.61 = 782.82/x
3. Step 3: Cross multiply
   1,342.44x = 1,852.61 × 782.82
4. Step 4: Simplify right side
   1,342.44x = 1,450,250.90
5. Step 5: Solve for x
   x = 1,450,250.90/1,342.44
6. Step 6: Final answer
   x = 1,080.31