Finding the Fourth Proportional to 1,608.16, 2,219.33 and 944.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.16 : 2,219.33 = 944.98 : x
2. Step 2: Convert to fraction form
   1,608.16/2,219.33 = 944.98/x
3. Step 3: Cross multiply
   1,608.16x = 2,219.33 × 944.98
4. Step 4: Simplify right side
   1,608.16x = 2,097,222.46
5. Step 5: Solve for x
   x = 2,097,222.46/1,608.16
6. Step 6: Final answer
   x = 1,304.11