Finding the Fourth Proportional to 2,367.75, 3,551.76 and 981.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,367.75 : 3,551.76 = 981.21 : x
2. Step 2: Convert to fraction form
   2,367.75/3,551.76 = 981.21/x
3. Step 3: Cross multiply
   2,367.75x = 3,551.76 × 981.21
4. Step 4: Simplify right side
   2,367.75x = 3,485,022.43
5. Step 5: Solve for x
   x = 3,485,022.43/2,367.75
6. Step 6: Final answer
   x = 1,471.87