Finding the Fourth Proportional to 1,341.62, 1,851.55 and 782.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.62 : 1,851.55 = 782.04 : x
2. Step 2: Convert to fraction form
   1,341.62/1,851.55 = 782.04/x
3. Step 3: Cross multiply
   1,341.62x = 1,851.55 × 782.04
4. Step 4: Simplify right side
   1,341.62x = 1,447,986.16
5. Step 5: Solve for x
   x = 1,447,986.16/1,341.62
6. Step 6: Final answer
   x = 1,079.29