Finding the Fourth Proportional to 16,367.31, 22,589.00 and 9,992.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,367.31 : 22,589.00 = 9,992.57 : x
2. Step 2: Convert to fraction form
   16,367.31/22,589.00 = 9,992.57/x
3. Step 3: Cross multiply
   16,367.31x = 22,589.00 × 9,992.57
4. Step 4: Simplify right side
   16,367.31x = 225,722,000.82
5. Step 5: Solve for x
   x = 225,722,000.82/16,367.31
6. Step 6: Final answer
   x = 13,791.03