Finding the Fourth Proportional to 1,730.15, 2,387.60 and 944.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.15 : 2,387.60 = 944.20 : x
2. Step 2: Convert to fraction form
   1,730.15/2,387.60 = 944.20/x
3. Step 3: Cross multiply
   1,730.15x = 2,387.60 × 944.20
4. Step 4: Simplify right side
   1,730.15x = 2,254,361.23
5. Step 5: Solve for x
   x = 2,254,361.23/1,730.15
6. Step 6: Final answer
   x = 1,302.99