Finding the Fourth Proportional to 22,073.77, 30,464.56 and 12,642.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,073.77 : 30,464.56 = 12,642.33 : x
2. Step 2: Convert to fraction form
   22,073.77/30,464.56 = 12,642.33/x
3. Step 3: Cross multiply
   22,073.77x = 30,464.56 × 12,642.33
4. Step 4: Simplify right side
   22,073.77x = 385,142,908.39
5. Step 5: Solve for x
   x = 385,142,908.39/22,073.77
6. Step 6: Final answer
   x = 17,447.99