Finding the Fourth Proportional to 43,128.56, 64,673 and 22,366.64

Step by Step Solution

1. Step 1: Write the proportion equation
   43,128.56 : 64,673 = 22,366.64 : x
2. Step 2: Convert to fraction form
   43,128.56/64,673 = 22,366.64/x
3. Step 3: Cross multiply
   43,128.56x = 64,673 × 22,366.64
4. Step 4: Simplify right side
   43,128.56x = 1,446,517,708.72
5. Step 5: Solve for x
   x = 1,446,517,708.72/43,128.56
6. Step 6: Final answer
   x = 33,539.67