Finding the Fourth Proportional to 1,764.43, 2,434.83 and 978.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.43 : 2,434.83 = 978.46 : x
2. Step 2: Convert to fraction form
   1,764.43/2,434.83 = 978.46/x
3. Step 3: Cross multiply
   1,764.43x = 2,434.83 × 978.46
4. Step 4: Simplify right side
   1,764.43x = 2,382,383.76
5. Step 5: Solve for x
   x = 2,382,383.76/1,764.43
6. Step 6: Final answer
   x = 1,350.23