Finding the Fourth Proportional to 3,901.71, 5,852.12 and 980.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901.71 : 5,852.12 = 980.02 : x
2. Step 2: Convert to fraction form
   3,901.71/5,852.12 = 980.02/x
3. Step 3: Cross multiply
   3,901.71x = 5,852.12 × 980.02
4. Step 4: Simplify right side
   3,901.71x = 5,735,182.46
5. Step 5: Solve for x
   x = 5,735,182.46/3,901.71
6. Step 6: Final answer
   x = 1,469.92