Finding the Fourth Proportional to 40,960.56, 56,521.98 and 22,809.92

Step by Step Solution

1. Step 1: Write the proportion equation
   40,960.56 : 56,521.98 = 22,809.92 : x
2. Step 2: Convert to fraction form
   40,960.56/56,521.98 = 22,809.92/x
3. Step 3: Cross multiply
   40,960.56x = 56,521.98 × 22,809.92
4. Step 4: Simplify right side
   40,960.56x = 1,289,261,842.04
5. Step 5: Solve for x
   x = 1,289,261,842.04/40,960.56
6. Step 6: Final answer
   x = 31,475.69