Finding the Fourth Proportional to 1,294.03, 1,785.72 and 704.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294.03 : 1,785.72 = 704.55 : x
2. Step 2: Convert to fraction form
   1,294.03/1,785.72 = 704.55/x
3. Step 3: Cross multiply
   1,294.03x = 1,785.72 × 704.55
4. Step 4: Simplify right side
   1,294.03x = 1,258,131.67
5. Step 5: Solve for x
   x = 1,258,131.67/1,294.03
6. Step 6: Final answer
   x = 972.26