Finding the Fourth Proportional to 41,643.42, 57,469.29 and 22,780.56

Step by Step Solution

1. Step 1: Write the proportion equation
   41,643.42 : 57,469.29 = 22,780.56 : x
2. Step 2: Convert to fraction form
   41,643.42/57,469.29 = 22,780.56/x
3. Step 3: Cross multiply
   41,643.42x = 57,469.29 × 22,780.56
4. Step 4: Simplify right side
   41,643.42x = 1,309,182,609.00
5. Step 5: Solve for x
   x = 1,309,182,609.00/41,643.42
6. Step 6: Final answer
   x = 31,437.92