Finding the Fourth Proportional to 10,505.65, 14,497.77 and 5,789.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.65 : 14,497.77 = 5,789.89 : x
2. Step 2: Convert to fraction form
   10,505.65/14,497.77 = 5,789.89/x
3. Step 3: Cross multiply
   10,505.65x = 14,497.77 × 5,789.89
4. Step 4: Simplify right side
   10,505.65x = 83,940,493.55
5. Step 5: Solve for x
   x = 83,940,493.55/10,505.65
6. Step 6: Final answer
   x = 7,990.03