Finding the Fourth Proportional to 1,294.30, 1,786.20 and 704.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294.30 : 1,786.20 = 704.83 : x
2. Step 2: Convert to fraction form
   1,294.30/1,786.20 = 704.83/x
3. Step 3: Cross multiply
   1,294.30x = 1,786.20 × 704.83
4. Step 4: Simplify right side
   1,294.30x = 1,258,967.35
5. Step 5: Solve for x
   x = 1,258,967.35/1,294.30
6. Step 6: Final answer
   x = 972.70