Finding the Fourth Proportional to 1,294.02, 1,785.72 and 704.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294.02 : 1,785.72 = 704.56 : x
2. Step 2: Convert to fraction form
   1,294.02/1,785.72 = 704.56/x
3. Step 3: Cross multiply
   1,294.02x = 1,785.72 × 704.56
4. Step 4: Simplify right side
   1,294.02x = 1,258,146.88
5. Step 5: Solve for x
   x = 1,258,146.88/1,294.02
6. Step 6: Final answer
   x = 972.28