Finding the Fourth Proportional to 16,067.07, 22,168.20 and 9,774.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,067.07 : 22,168.20 = 9,774.99 : x
2. Step 2: Convert to fraction form
   16,067.07/22,168.20 = 9,774.99/x
3. Step 3: Cross multiply
   16,067.07x = 22,168.20 × 9,774.99
4. Step 4: Simplify right side
   16,067.07x = 216,693,933.32
5. Step 5: Solve for x
   x = 216,693,933.32/16,067.07
6. Step 6: Final answer
   x = 13,486.84