Finding the Fourth Proportional to 11,364.93, 17,042.49 and 3,967.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,364.93 : 17,042.49 = 3,967.20 : x
2. Step 2: Convert to fraction form
   11,364.93/17,042.49 = 3,967.20/x
3. Step 3: Cross multiply
   11,364.93x = 17,042.49 × 3,967.20
4. Step 4: Simplify right side
   11,364.93x = 67,610,966.33
5. Step 5: Solve for x
   x = 67,610,966.33/11,364.93
6. Step 6: Final answer
   x = 5,949.09