Finding the Fourth Proportional to 10,911.12, 15,057.48 and 5,943.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,911.12 : 15,057.48 = 5,943.12 : x
2. Step 2: Convert to fraction form
   10,911.12/15,057.48 = 5,943.12/x
3. Step 3: Cross multiply
   10,911.12x = 15,057.48 × 5,943.12
4. Step 4: Simplify right side
   10,911.12x = 89,488,410.54
5. Step 5: Solve for x
   x = 89,488,410.54/10,911.12
6. Step 6: Final answer
   x = 8,201.58