Finding the Fourth Proportional to 2,406.16, 3,608.52 and 845.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.16 : 3,608.52 = 845.74 : x
2. Step 2: Convert to fraction form
   2,406.16/3,608.52 = 845.74/x
3. Step 3: Cross multiply
   2,406.16x = 3,608.52 × 845.74
4. Step 4: Simplify right side
   2,406.16x = 3,051,869.70
5. Step 5: Solve for x
   x = 3,051,869.70/2,406.16
6. Step 6: Final answer
   x = 1,268.36