Finding the Fourth Proportional to 1,014.31, 1,401.06 and 753.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014.31 : 1,401.06 = 753.49 : x
2. Step 2: Convert to fraction form
   1,014.31/1,401.06 = 753.49/x
3. Step 3: Cross multiply
   1,014.31x = 1,401.06 × 753.49
4. Step 4: Simplify right side
   1,014.31x = 1,055,684.70
5. Step 5: Solve for x
   x = 1,055,684.70/1,014.31
6. Step 6: Final answer
   x = 1,040.79