Finding the Fourth Proportional to 11,337.12, 17,004.72 and 3,940.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,337.12 : 17,004.72 = 3,940.32 : x
2. Step 2: Convert to fraction form
   11,337.12/17,004.72 = 3,940.32/x
3. Step 3: Cross multiply
   11,337.12x = 17,004.72 × 3,940.32
4. Step 4: Simplify right side
   11,337.12x = 67,004,038.31
5. Step 5: Solve for x
   x = 67,004,038.31/11,337.12
6. Step 6: Final answer
   x = 5,910.15