Finding the Fourth Proportional to 16,069.54, 22,172.38 and 9,697.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,069.54 : 22,172.38 = 9,697.17 : x
2. Step 2: Convert to fraction form
   16,069.54/22,172.38 = 9,697.17/x
3. Step 3: Cross multiply
   16,069.54x = 22,172.38 × 9,697.17
4. Step 4: Simplify right side
   16,069.54x = 215,009,326.90
5. Step 5: Solve for x
   x = 215,009,326.90/16,069.54
6. Step 6: Final answer
   x = 13,379.93