Finding the Fourth Proportional to 11,563.52, 15,964.53 and 7,591.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,563.52 : 15,964.53 = 7,591.59 : x
2. Step 2: Convert to fraction form
   11,563.52/15,964.53 = 7,591.59/x
3. Step 3: Cross multiply
   11,563.52x = 15,964.53 × 7,591.59
4. Step 4: Simplify right side
   11,563.52x = 121,196,137.83
5. Step 5: Solve for x
   x = 121,196,137.83/11,563.52
6. Step 6: Final answer
   x = 10,480.91