Finding the Fourth Proportional to 8,776.56, 13,146.12 and 7,103.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776.56 : 13,146.12 = 7,103.48 : x
2. Step 2: Convert to fraction form
   8,776.56/13,146.12 = 7,103.48/x
3. Step 3: Cross multiply
   8,776.56x = 13,146.12 × 7,103.48
4. Step 4: Simplify right side
   8,776.56x = 93,383,200.50
5. Step 5: Solve for x
   x = 93,383,200.50/8,776.56
6. Step 6: Final answer
   x = 10,640.07