Finding the Fourth Proportional to 1,341.85, 1,851.85 and 782.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.85 : 1,851.85 = 782.34 : x
2. Step 2: Convert to fraction form
   1,341.85/1,851.85 = 782.34/x
3. Step 3: Cross multiply
   1,341.85x = 1,851.85 × 782.34
4. Step 4: Simplify right side
   1,341.85x = 1,448,782.98
5. Step 5: Solve for x
   x = 1,448,782.98/1,341.85
6. Step 6: Final answer
   x = 1,079.69