Finding the Fourth Proportional to 1,341.44, 1,851.42 and 782.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.44 : 1,851.42 = 782.08 : x
2. Step 2: Convert to fraction form
   1,341.44/1,851.42 = 782.08/x
3. Step 3: Cross multiply
   1,341.44x = 1,851.42 × 782.08
4. Step 4: Simplify right side
   1,341.44x = 1,447,958.55
5. Step 5: Solve for x
   x = 1,447,958.55/1,341.44
6. Step 6: Final answer
   x = 1,079.41