Finding the Fourth Proportional to 1,734.66, 2,393.79 and 948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,734.66 : 2,393.79 = 948.72 : x
2. Step 2: Convert to fraction form
   1,734.66/2,393.79 = 948.72/x
3. Step 3: Cross multiply
   1,734.66x = 2,393.79 × 948.72
4. Step 4: Simplify right side
   1,734.66x = 2,271,036.45
5. Step 5: Solve for x
   x = 2,271,036.45/1,734.66
6. Step 6: Final answer
   x = 1,309.21