Finding the Fourth Proportional to 1,607.22, 2,217.92 and 944.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.22 : 2,217.92 = 944.42 : x
2. Step 2: Convert to fraction form
   1,607.22/2,217.92 = 944.42/x
3. Step 3: Cross multiply
   1,607.22x = 2,217.92 × 944.42
4. Step 4: Simplify right side
   1,607.22x = 2,094,648.01
5. Step 5: Solve for x
   x = 2,094,648.01/1,607.22
6. Step 6: Final answer
   x = 1,303.27