Finding the Fourth Proportional to 10,505.28, 14,497.94 and 5,789.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.28 : 14,497.94 = 5,789.55 : x
2. Step 2: Convert to fraction form
   10,505.28/14,497.94 = 5,789.55/x
3. Step 3: Cross multiply
   10,505.28x = 14,497.94 × 5,789.55
4. Step 4: Simplify right side
   10,505.28x = 83,936,519.58
5. Step 5: Solve for x
   x = 83,936,519.58/10,505.28
6. Step 6: Final answer
   x = 7,989.94