Finding the Fourth Proportional to 10,505.48, 14,496.98 and 5,789.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.48 : 14,496.98 = 5,789.40 : x
2. Step 2: Convert to fraction form
   10,505.48/14,496.98 = 5,789.40/x
3. Step 3: Cross multiply
   10,505.48x = 14,496.98 × 5,789.40
4. Step 4: Simplify right side
   10,505.48x = 83,928,816.01
5. Step 5: Solve for x
   x = 83,928,816.01/10,505.48
6. Step 6: Final answer
   x = 7,989.05