Finding the Fourth Proportional to 22,066.95, 30,449.39 and 13,111.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,066.95 : 30,449.39 = 13,111.19 : x
2. Step 2: Convert to fraction form
   22,066.95/30,449.39 = 13,111.19/x
3. Step 3: Cross multiply
   22,066.95x = 30,449.39 × 13,111.19
4. Step 4: Simplify right side
   22,066.95x = 399,227,519.87
5. Step 5: Solve for x
   x = 399,227,519.87/22,066.95
6. Step 6: Final answer
   x = 18,091.65