Finding the Fourth Proportional to 10,574.73, 14,559.89 and 8,591.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,574.73 : 14,559.89 = 8,591.85 : x
2. Step 2: Convert to fraction form
   10,574.73/14,559.89 = 8,591.85/x
3. Step 3: Cross multiply
   10,574.73x = 14,559.89 × 8,591.85
4. Step 4: Simplify right side
   10,574.73x = 125,096,347.94
5. Step 5: Solve for x
   x = 125,096,347.94/10,574.73
6. Step 6: Final answer
   x = 11,829.74