Finding the Fourth Proportional to 40,824.37, 56,340.89 and 22,920.55

Step by Step Solution

1. Step 1: Write the proportion equation
   40,824.37 : 56,340.89 = 22,920.55 : x
2. Step 2: Convert to fraction form
   40,824.37/56,340.89 = 22,920.55/x
3. Step 3: Cross multiply
   40,824.37x = 56,340.89 × 22,920.55
4. Step 4: Simplify right side
   40,824.37x = 1,291,364,071.69
5. Step 5: Solve for x
   x = 1,291,364,071.69/40,824.37
6. Step 6: Final answer
   x = 31,632.19