Finding the Fourth Proportional to 47,723.78, 71,562.89 and 17,728.47

Step by Step Solution

1. Step 1: Write the proportion equation
   47,723.78 : 71,562.89 = 17,728.47 : x
2. Step 2: Convert to fraction form
   47,723.78/71,562.89 = 17,728.47/x
3. Step 3: Cross multiply
   47,723.78x = 71,562.89 × 17,728.47
4. Step 4: Simplify right side
   47,723.78x = 1,268,700,592.80
5. Step 5: Solve for x
   x = 1,268,700,592.80/47,723.78
6. Step 6: Final answer
   x = 26,584.24