Finding the Fourth Proportional to 2,456.04, 3,685.18 and 917.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.04 : 3,685.18 = 917.16 : x
2. Step 2: Convert to fraction form
   2,456.04/3,685.18 = 917.16/x
3. Step 3: Cross multiply
   2,456.04x = 3,685.18 × 917.16
4. Step 4: Simplify right side
   2,456.04x = 3,379,899.69
5. Step 5: Solve for x
   x = 3,379,899.69/2,456.04
6. Step 6: Final answer
   x = 1,376.16