Finding the Fourth Proportional to 10,505.52, 14,497.54 and 5,789.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.52 : 14,497.54 = 5,789.80 : x
2. Step 2: Convert to fraction form
   10,505.52/14,497.54 = 5,789.80/x
3. Step 3: Cross multiply
   10,505.52x = 14,497.54 × 5,789.80
4. Step 4: Simplify right side
   10,505.52x = 83,937,857.09
5. Step 5: Solve for x
   x = 83,937,857.09/10,505.52
6. Step 6: Final answer
   x = 7,989.88