Finding the Fourth Proportional to 11,591.62, 15,989.61 and 8,007.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,591.62 : 15,989.61 = 8,007.46 : x
2. Step 2: Convert to fraction form
   11,591.62/15,989.61 = 8,007.46/x
3. Step 3: Cross multiply
   11,591.62x = 15,989.61 × 8,007.46
4. Step 4: Simplify right side
   11,591.62x = 128,036,162.49
5. Step 5: Solve for x
   x = 128,036,162.49/11,591.62
6. Step 6: Final answer
   x = 11,045.58