Finding the Fourth Proportional to 1,608.25, 2,218.78 and 944.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.25 : 2,218.78 = 944.86 : x
2. Step 2: Convert to fraction form
   1,608.25/2,218.78 = 944.86/x
3. Step 3: Cross multiply
   1,608.25x = 2,218.78 × 944.86
4. Step 4: Simplify right side
   1,608.25x = 2,096,436.47
5. Step 5: Solve for x
   x = 2,096,436.47/1,608.25
6. Step 6: Final answer
   x = 1,303.55