Finding the Fourth Proportional to 57,564.72, 86,366.69 and 35,120.33

Step by Step Solution

1. Step 1: Write the proportion equation
   57,564.72 : 86,366.69 = 35,120.33 : x
2. Step 2: Convert to fraction form
   57,564.72/86,366.69 = 35,120.33/x
3. Step 3: Cross multiply
   57,564.72x = 86,366.69 × 35,120.33
4. Step 4: Simplify right side
   57,564.72x = 3,033,226,825.82
5. Step 5: Solve for x
   x = 3,033,226,825.82/57,564.72
6. Step 6: Final answer
   x = 52,692.46