Finding the Fourth Proportional to 1,271.31, 1,754.37 and 799.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.31 : 1,754.37 = 799.08 : x
2. Step 2: Convert to fraction form
   1,271.31/1,754.37 = 799.08/x
3. Step 3: Cross multiply
   1,271.31x = 1,754.37 × 799.08
4. Step 4: Simplify right side
   1,271.31x = 1,401,881.98
5. Step 5: Solve for x
   x = 1,401,881.98/1,271.31
6. Step 6: Final answer
   x = 1,102.71