Finding the Fourth Proportional to 1,730.96, 2,388.72 and 945.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.96 : 2,388.72 = 945.02 : x
2. Step 2: Convert to fraction form
   1,730.96/2,388.72 = 945.02/x
3. Step 3: Cross multiply
   1,730.96x = 2,388.72 × 945.02
4. Step 4: Simplify right side
   1,730.96x = 2,257,388.17
5. Step 5: Solve for x
   x = 2,257,388.17/1,730.96
6. Step 6: Final answer
   x = 1,304.12