Finding the Fourth Proportional to 11,815.20, 16,304.49 and 7,560.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,815.20 : 16,304.49 = 7,560.27 : x
2. Step 2: Convert to fraction form
   11,815.20/16,304.49 = 7,560.27/x
3. Step 3: Cross multiply
   11,815.20x = 16,304.49 × 7,560.27
4. Step 4: Simplify right side
   11,815.20x = 123,266,346.61
5. Step 5: Solve for x
   x = 123,266,346.61/11,815.20
6. Step 6: Final answer
   x = 10,432.86