Finding the Fourth Proportional to 1,730.30, 2,387.86 and 944.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.30 : 2,387.86 = 944.39 : x
2. Step 2: Convert to fraction form
   1,730.30/2,387.86 = 944.39/x
3. Step 3: Cross multiply
   1,730.30x = 2,387.86 × 944.39
4. Step 4: Simplify right side
   1,730.30x = 2,255,059.17
5. Step 5: Solve for x
   x = 2,255,059.17/1,730.30
6. Step 6: Final answer
   x = 1,303.28