Finding the Fourth Proportional to 8,956.37, 12,357.16 and 7,616.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,956.37 : 12,357.16 = 7,616.84 : x
2. Step 2: Convert to fraction form
   8,956.37/12,357.16 = 7,616.84/x
3. Step 3: Cross multiply
   8,956.37x = 12,357.16 × 7,616.84
4. Step 4: Simplify right side
   8,956.37x = 94,122,429.75
5. Step 5: Solve for x
   x = 94,122,429.75/8,956.37
6. Step 6: Final answer
   x = 10,508.99