Finding the Fourth Proportional to 10,505.76, 14,497.04 and 5,789.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.76 : 14,497.04 = 5,789.28 : x
2. Step 2: Convert to fraction form
   10,505.76/14,497.04 = 5,789.28/x
3. Step 3: Cross multiply
   10,505.76x = 14,497.04 × 5,789.28
4. Step 4: Simplify right side
   10,505.76x = 83,927,423.73
5. Step 5: Solve for x
   x = 83,927,423.73/10,505.76
6. Step 6: Final answer
   x = 7,988.71