Finding the Fourth Proportional to 40,293.96, 55,605.30 and 22,389

Step by Step Solution

1. Step 1: Write the proportion equation
   40,293.96 : 55,605.30 = 22,389 : x
2. Step 2: Convert to fraction form
   40,293.96/55,605.30 = 22,389/x
3. Step 3: Cross multiply
   40,293.96x = 55,605.30 × 22,389
4. Step 4: Simplify right side
   40,293.96x = 1,244,947,061.70
5. Step 5: Solve for x
   x = 1,244,947,061.70/40,293.96
6. Step 6: Final answer
   x = 30,896.62