Finding the Fourth Proportional to 10,911, 15,057.50 and 5,943.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,911 : 15,057.50 = 5,943.32 : x
2. Step 2: Convert to fraction form
   10,911/15,057.50 = 5,943.32/x
3. Step 3: Cross multiply
   10,911x = 15,057.50 × 5,943.32
4. Step 4: Simplify right side
   10,911x = 89,491,540.90
5. Step 5: Solve for x
   x = 89,491,540.90/10,911
6. Step 6: Final answer
   x = 8,201.96