Finding the Fourth Proportional to 1,127.31, 1,556.46 and 754.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,127.31 : 1,556.46 = 754.71 : x
2. Step 2: Convert to fraction form
   1,127.31/1,556.46 = 754.71/x
3. Step 3: Cross multiply
   1,127.31x = 1,556.46 × 754.71
4. Step 4: Simplify right side
   1,127.31x = 1,174,675.93
5. Step 5: Solve for x
   x = 1,174,675.93/1,127.31
6. Step 6: Final answer
   x = 1,042.02