Finding the Fourth Proportional to 10,505.02, 14,496.86 and 5,789.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.02 : 14,496.86 = 5,789.31 : x
2. Step 2: Convert to fraction form
   10,505.02/14,496.86 = 5,789.31/x
3. Step 3: Cross multiply
   10,505.02x = 14,496.86 × 5,789.31
4. Step 4: Simplify right side
   10,505.02x = 83,926,715.14
5. Step 5: Solve for x
   x = 83,926,715.14/10,505.02
6. Step 6: Final answer
   x = 7,989.20