Finding the Fourth Proportional to 1,263.31, 1,743.33 and 703.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263.31 : 1,743.33 = 703.83 : x
2. Step 2: Convert to fraction form
   1,263.31/1,743.33 = 703.83/x
3. Step 3: Cross multiply
   1,263.31x = 1,743.33 × 703.83
4. Step 4: Simplify right side
   1,263.31x = 1,227,007.95
5. Step 5: Solve for x
   x = 1,227,007.95/1,263.31
6. Step 6: Final answer
   x = 971.26