Finding the Fourth Proportional to 2,435.78, 3,653.12 and 974.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.78 : 3,653.12 = 974.54 : x
2. Step 2: Convert to fraction form
   2,435.78/3,653.12 = 974.54/x
3. Step 3: Cross multiply
   2,435.78x = 3,653.12 × 974.54
4. Step 4: Simplify right side
   2,435.78x = 3,560,111.56
5. Step 5: Solve for x
   x = 3,560,111.56/2,435.78
6. Step 6: Final answer
   x = 1,461.59