Finding the Fourth Proportional to 2,457.66, 3,685.98 and 791.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.66 : 3,685.98 = 791.94 : x
2. Step 2: Convert to fraction form
   2,457.66/3,685.98 = 791.94/x
3. Step 3: Cross multiply
   2,457.66x = 3,685.98 × 791.94
4. Step 4: Simplify right side
   2,457.66x = 2,919,061.83
5. Step 5: Solve for x
   x = 2,919,061.83/2,457.66
6. Step 6: Final answer
   x = 1,187.74