Finding the Fourth Proportional to 1,294.18, 1,785.98 and 704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294.18 : 1,785.98 = 704.72 : x
2. Step 2: Convert to fraction form
   1,294.18/1,785.98 = 704.72/x
3. Step 3: Cross multiply
   1,294.18x = 1,785.98 × 704.72
4. Step 4: Simplify right side
   1,294.18x = 1,258,603.37
5. Step 5: Solve for x
   x = 1,258,603.37/1,294.18
6. Step 6: Final answer
   x = 972.51