Finding the Fourth Proportional to 3,902.76, 5,854.32 and 981.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,902.76 : 5,854.32 = 981.10 : x
2. Step 2: Convert to fraction form
   3,902.76/5,854.32 = 981.10/x
3. Step 3: Cross multiply
   3,902.76x = 5,854.32 × 981.10
4. Step 4: Simplify right side
   3,902.76x = 5,743,673.35
5. Step 5: Solve for x
   x = 5,743,673.35/3,902.76
6. Step 6: Final answer
   x = 1,471.70