Finding the Fourth Proportional to 22,069.56, 30,465.81 and 13,119.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,069.56 : 30,465.81 = 13,119.96 : x
2. Step 2: Convert to fraction form
   22,069.56/30,465.81 = 13,119.96/x
3. Step 3: Cross multiply
   22,069.56x = 30,465.81 × 13,119.96
4. Step 4: Simplify right side
   22,069.56x = 399,710,208.57
5. Step 5: Solve for x
   x = 399,710,208.57/22,069.56
6. Step 6: Final answer
   x = 18,111.38