Finding the Fourth Proportional to 1,685.96, 2,326.48 and 940.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685.96 : 2,326.48 = 940.10 : x
2. Step 2: Convert to fraction form
   1,685.96/2,326.48 = 940.10/x
3. Step 3: Cross multiply
   1,685.96x = 2,326.48 × 940.10
4. Step 4: Simplify right side
   1,685.96x = 2,187,107.52
5. Step 5: Solve for x
   x = 2,187,107.52/1,685.96
6. Step 6: Final answer
   x = 1,297.25