Finding the Fourth Proportional to 1,730.47, 2,591.58 and 949.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.47 : 2,591.58 = 949.30 : x
2. Step 2: Convert to fraction form
   1,730.47/2,591.58 = 949.30/x
3. Step 3: Cross multiply
   1,730.47x = 2,591.58 × 949.30
4. Step 4: Simplify right side
   1,730.47x = 2,460,186.89
5. Step 5: Solve for x
   x = 2,460,186.89/1,730.47
6. Step 6: Final answer
   x = 1,421.69