Finding the Fourth Proportional to 22,109.82, 30,510.84 and 13,155.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,109.82 : 30,510.84 = 13,155.27 : x
2. Step 2: Convert to fraction form
   22,109.82/30,510.84 = 13,155.27/x
3. Step 3: Cross multiply
   22,109.82x = 30,510.84 × 13,155.27
4. Step 4: Simplify right side
   22,109.82x = 401,378,338.13
5. Step 5: Solve for x
   x = 401,378,338.13/22,109.82
6. Step 6: Final answer
   x = 18,153.85