Finding the Fourth Proportional to 16,515.72, 22,791.71 and 9,442.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,515.72 : 22,791.71 = 9,442.29 : x
2. Step 2: Convert to fraction form
   16,515.72/22,791.71 = 9,442.29/x
3. Step 3: Cross multiply
   16,515.72x = 22,791.71 × 9,442.29
4. Step 4: Simplify right side
   16,515.72x = 215,206,016.00
5. Step 5: Solve for x
   x = 215,206,016.00/16,515.72
6. Step 6: Final answer
   x = 13,030.37