Finding the Fourth Proportional to 2,271.50, 3,134.52 and 1,263.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.50 : 3,134.52 = 1,263.20 : x
2. Step 2: Convert to fraction form
   2,271.50/3,134.52 = 1,263.20/x
3. Step 3: Cross multiply
   2,271.50x = 3,134.52 × 1,263.20
4. Step 4: Simplify right side
   2,271.50x = 3,959,525.66
5. Step 5: Solve for x
   x = 3,959,525.66/2,271.50
6. Step 6: Final answer
   x = 1,743.13