Finding the Fourth Proportional to 1,341.71, 1,850.81 and 782.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.71 : 1,850.81 = 782.00 : x
2. Step 2: Convert to fraction form
   1,341.71/1,850.81 = 782.00/x
3. Step 3: Cross multiply
   1,341.71x = 1,850.81 × 782.00
4. Step 4: Simplify right side
   1,341.71x = 1,447,320.26
5. Step 5: Solve for x
   x = 1,447,320.26/1,341.71
6. Step 6: Final answer
   x = 1,078.72