Finding the Fourth Proportional to 8,952.78, 12,354.72 and 4,974.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,952.78 : 12,354.72 = 4,974.32 : x
2. Step 2: Convert to fraction form
   8,952.78/12,354.72 = 4,974.32/x
3. Step 3: Cross multiply
   8,952.78x = 12,354.72 × 4,974.32
4. Step 4: Simplify right side
   8,952.78x = 61,456,330.79
5. Step 5: Solve for x
   x = 61,456,330.79/8,952.78
6. Step 6: Final answer
   x = 6,864.50