Finding the Fourth Proportional to 3,753.40, 5,629.59 and 980.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,753.40 : 5,629.59 = 980.29 : x
2. Step 2: Convert to fraction form
   3,753.40/5,629.59 = 980.29/x
3. Step 3: Cross multiply
   3,753.40x = 5,629.59 × 980.29
4. Step 4: Simplify right side
   3,753.40x = 5,518,630.78
5. Step 5: Solve for x
   x = 5,518,630.78/3,753.40
6. Step 6: Final answer
   x = 1,470.30