Finding the Fourth Proportional to 1,734.22, 2,393.27 and 978.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,734.22 : 2,393.27 = 978.04 : x
2. Step 2: Convert to fraction form
   1,734.22/2,393.27 = 978.04/x
3. Step 3: Cross multiply
   1,734.22x = 2,393.27 × 978.04
4. Step 4: Simplify right side
   1,734.22x = 2,340,713.79
5. Step 5: Solve for x
   x = 2,340,713.79/1,734.22
6. Step 6: Final answer
   x = 1,349.72