Finding the Fourth Proportional to 43,167.86, 64,713.42 and 16,866.62

Step by Step Solution

1. Step 1: Write the proportion equation
   43,167.86 : 64,713.42 = 16,866.62 : x
2. Step 2: Convert to fraction form
   43,167.86/64,713.42 = 16,866.62/x
3. Step 3: Cross multiply
   43,167.86x = 64,713.42 × 16,866.62
4. Step 4: Simplify right side
   43,167.86x = 1,091,496,664.04
5. Step 5: Solve for x
   x = 1,091,496,664.04/43,167.86
6. Step 6: Final answer
   x = 25,284.94