Finding the Fourth Proportional to 1,271.43, 1,754.06 and 799.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.43 : 1,754.06 = 799.16 : x
2. Step 2: Convert to fraction form
   1,271.43/1,754.06 = 799.16/x
3. Step 3: Cross multiply
   1,271.43x = 1,754.06 × 799.16
4. Step 4: Simplify right side
   1,271.43x = 1,401,761.82
5. Step 5: Solve for x
   x = 1,401,761.82/1,271.43
6. Step 6: Final answer
   x = 1,102.51