Finding the Fourth Proportional to 2,921.82, 4,383.50 and 974.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,921.82 : 4,383.50 = 974.04 : x
2. Step 2: Convert to fraction form
   2,921.82/4,383.50 = 974.04/x
3. Step 3: Cross multiply
   2,921.82x = 4,383.50 × 974.04
4. Step 4: Simplify right side
   2,921.82x = 4,269,699.47
5. Step 5: Solve for x
   x = 4,269,699.47/2,921.82
6. Step 6: Final answer
   x = 1,461.32