Finding the Fourth Proportional to 13,834.22, 19,086.71 and 8,167.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,834.22 : 19,086.71 = 8,167.05 : x
2. Step 2: Convert to fraction form
   13,834.22/19,086.71 = 8,167.05/x
3. Step 3: Cross multiply
   13,834.22x = 19,086.71 × 8,167.05
4. Step 4: Simplify right side
   13,834.22x = 155,882,074.07
5. Step 5: Solve for x
   x = 155,882,074.07/13,834.22
6. Step 6: Final answer
   x = 11,267.87