Finding the Fourth Proportional to 1,608.36, 2,219.32 and 944.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.36 : 2,219.32 = 944.82 : x
2. Step 2: Convert to fraction form
   1,608.36/2,219.32 = 944.82/x
3. Step 3: Cross multiply
   1,608.36x = 2,219.32 × 944.82
4. Step 4: Simplify right side
   1,608.36x = 2,096,857.92
5. Step 5: Solve for x
   x = 2,096,857.92/1,608.36
6. Step 6: Final answer
   x = 1,303.72