Finding the Fourth Proportional to 1,341.82, 1,851.83 and 782.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.82 : 1,851.83 = 782.47 : x
2. Step 2: Convert to fraction form
   1,341.82/1,851.83 = 782.47/x
3. Step 3: Cross multiply
   1,341.82x = 1,851.83 × 782.47
4. Step 4: Simplify right side
   1,341.82x = 1,448,998.75
5. Step 5: Solve for x
   x = 1,448,998.75/1,341.82
6. Step 6: Final answer
   x = 1,079.88