Finding the Fourth Proportional to 57,707.98, 86,509.72 and 22,638.22

Step by Step Solution

1. Step 1: Write the proportion equation
   57,707.98 : 86,509.72 = 22,638.22 : x
2. Step 2: Convert to fraction form
   57,707.98/86,509.72 = 22,638.22/x
3. Step 3: Cross multiply
   57,707.98x = 86,509.72 × 22,638.22
4. Step 4: Simplify right side
   57,707.98x = 1,958,426,073.50
5. Step 5: Solve for x
   x = 1,958,426,073.50/57,707.98
6. Step 6: Final answer
   x = 33,936.83