Finding the Fourth Proportional to 1,263.55, 1,743.72 and 704.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263.55 : 1,743.72 = 704.01 : x
2. Step 2: Convert to fraction form
   1,263.55/1,743.72 = 704.01/x
3. Step 3: Cross multiply
   1,263.55x = 1,743.72 × 704.01
4. Step 4: Simplify right side
   1,263.55x = 1,227,596.32
5. Step 5: Solve for x
   x = 1,227,596.32/1,263.55
6. Step 6: Final answer
   x = 971.55