Finding the Fourth Proportional to 8,123.09, 11,214.59 and 5,608.85

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.09 : 11,214.59 = 5,608.85 : x
2. Step 2: Convert to fraction form
   8,123.09/11,214.59 = 5,608.85/x
3. Step 3: Cross multiply
   8,123.09x = 11,214.59 × 5,608.85
4. Step 4: Simplify right side
   8,123.09x = 62,900,869.00
5. Step 5: Solve for x
   x = 62,900,869.00/8,123.09
6. Step 6: Final answer
   x = 7,743.47