Finding the Fourth Proportional to 40,061.49, 55,285.23 and 22,157.70

Step by Step Solution

1. Step 1: Write the proportion equation
   40,061.49 : 55,285.23 = 22,157.70 : x
2. Step 2: Convert to fraction form
   40,061.49/55,285.23 = 22,157.70/x
3. Step 3: Cross multiply
   40,061.49x = 55,285.23 × 22,157.70
4. Step 4: Simplify right side
   40,061.49x = 1,224,993,540.77
5. Step 5: Solve for x
   x = 1,224,993,540.77/40,061.49
6. Step 6: Final answer
   x = 30,577.83