Finding the Fourth Proportional to 3,901.76, 5,852.82 and 980.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901.76 : 5,852.82 = 980.10 : x
2. Step 2: Convert to fraction form
   3,901.76/5,852.82 = 980.10/x
3. Step 3: Cross multiply
   3,901.76x = 5,852.82 × 980.10
4. Step 4: Simplify right side
   3,901.76x = 5,736,348.88
5. Step 5: Solve for x
   x = 5,736,348.88/3,901.76
6. Step 6: Final answer
   x = 1,470.20