Finding the Fourth Proportional to 1,607.31, 2,217.17 and 944.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.31 : 2,217.17 = 944.04 : x
2. Step 2: Convert to fraction form
   1,607.31/2,217.17 = 944.04/x
3. Step 3: Cross multiply
   1,607.31x = 2,217.17 × 944.04
4. Step 4: Simplify right side
   1,607.31x = 2,093,092.45
5. Step 5: Solve for x
   x = 2,093,092.45/1,607.31
6. Step 6: Final answer
   x = 1,302.23