Finding the Fourth Proportional to 2,361.89, 3,540.24 and 974.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,361.89 : 3,540.24 = 974.47 : x
2. Step 2: Convert to fraction form
   2,361.89/3,540.24 = 974.47/x
3. Step 3: Cross multiply
   2,361.89x = 3,540.24 × 974.47
4. Step 4: Simplify right side
   2,361.89x = 3,449,865.75
5. Step 5: Solve for x
   x = 3,449,865.75/2,361.89
6. Step 6: Final answer
   x = 1,460.64