Finding the Fourth Proportional to 40,185.72, 55,456.25 and 24,267.20

Step by Step Solution

1. Step 1: Write the proportion equation
   40,185.72 : 55,456.25 = 24,267.20 : x
2. Step 2: Convert to fraction form
   40,185.72/55,456.25 = 24,267.20/x
3. Step 3: Cross multiply
   40,185.72x = 55,456.25 × 24,267.20
4. Step 4: Simplify right side
   40,185.72x = 1,345,767,511.38
5. Step 5: Solve for x
   x = 1,345,767,511.38/40,185.72
6. Step 6: Final answer
   x = 33,488.70