Finding the Fourth Proportional to 8,123.69, 12,169.98 and 4,826.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.69 : 12,169.98 = 4,826.76 : x
2. Step 2: Convert to fraction form
   8,123.69/12,169.98 = 4,826.76/x
3. Step 3: Cross multiply
   8,123.69x = 12,169.98 × 4,826.76
4. Step 4: Simplify right side
   8,123.69x = 58,741,572.66
5. Step 5: Solve for x
   x = 58,741,572.66/8,123.69
6. Step 6: Final answer
   x = 7,230.90