Finding the Fourth Proportional to 11,443.34, 17,171.50 and 6,178.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.34 : 17,171.50 = 6,178.28 : x
2. Step 2: Convert to fraction form
   11,443.34/17,171.50 = 6,178.28/x
3. Step 3: Cross multiply
   11,443.34x = 17,171.50 × 6,178.28
4. Step 4: Simplify right side
   11,443.34x = 106,090,335.02
5. Step 5: Solve for x
   x = 106,090,335.02/11,443.34
6. Step 6: Final answer
   x = 9,270.92