Finding the Fourth Proportional to 1,406.74, 1,940.49 and 846.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.74 : 1,940.49 = 846.82 : x
2. Step 2: Convert to fraction form
   1,406.74/1,940.49 = 846.82/x
3. Step 3: Cross multiply
   1,406.74x = 1,940.49 × 846.82
4. Step 4: Simplify right side
   1,406.74x = 1,643,245.74
5. Step 5: Solve for x
   x = 1,643,245.74/1,406.74
6. Step 6: Final answer
   x = 1,168.12