Finding the Fourth Proportional to 1,263.89, 1,744.17 and 704.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263.89 : 1,744.17 = 704.35 : x
2. Step 2: Convert to fraction form
   1,263.89/1,744.17 = 704.35/x
3. Step 3: Cross multiply
   1,263.89x = 1,744.17 × 704.35
4. Step 4: Simplify right side
   1,263.89x = 1,228,500.14
5. Step 5: Solve for x
   x = 1,228,500.14/1,263.89
6. Step 6: Final answer
   x = 972.00