Finding the Fourth Proportional to 8,650.52, 12,974.54 and 4,940.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,650.52 : 12,974.54 = 4,940.72 : x
2. Step 2: Convert to fraction form
   8,650.52/12,974.54 = 4,940.72/x
3. Step 3: Cross multiply
   8,650.52x = 12,974.54 × 4,940.72
4. Step 4: Simplify right side
   8,650.52x = 64,103,569.27
5. Step 5: Solve for x
   x = 64,103,569.27/8,650.52
6. Step 6: Final answer
   x = 7,410.37