Finding the Fourth Proportional to 43,290.24, 64,878.56 and 22,212.48

Step by Step Solution

1. Step 1: Write the proportion equation
   43,290.24 : 64,878.56 = 22,212.48 : x
2. Step 2: Convert to fraction form
   43,290.24/64,878.56 = 22,212.48/x
3. Step 3: Cross multiply
   43,290.24x = 64,878.56 × 22,212.48
4. Step 4: Simplify right side
   43,290.24x = 1,441,113,716.43
5. Step 5: Solve for x
   x = 1,441,113,716.43/43,290.24
6. Step 6: Final answer
   x = 33,289.58