Finding the Fourth Proportional to 8,796.28, 12,137.68 and 5,656.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.28 : 12,137.68 = 5,656.72 : x
2. Step 2: Convert to fraction form
   8,796.28/12,137.68 = 5,656.72/x
3. Step 3: Cross multiply
   8,796.28x = 12,137.68 × 5,656.72
4. Step 4: Simplify right side
   8,796.28x = 68,659,457.21
5. Step 5: Solve for x
   x = 68,659,457.21/8,796.28
6. Step 6: Final answer
   x = 7,805.51