Finding the Fourth Proportional to 10,505.53, 14,497.79 and 5,789.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.53 : 14,497.79 = 5,789.81 : x
2. Step 2: Convert to fraction form
   10,505.53/14,497.79 = 5,789.81/x
3. Step 3: Cross multiply
   10,505.53x = 14,497.79 × 5,789.81
4. Step 4: Simplify right side
   10,505.53x = 83,939,456.82
5. Step 5: Solve for x
   x = 83,939,456.82/10,505.53
6. Step 6: Final answer
   x = 7,990.02