Finding the Fourth Proportional to 47,878.50, 71,825.53 and 14,147.94

Step by Step Solution

1. Step 1: Write the proportion equation
   47,878.50 : 71,825.53 = 14,147.94 : x
2. Step 2: Convert to fraction form
   47,878.50/71,825.53 = 14,147.94/x
3. Step 3: Cross multiply
   47,878.50x = 71,825.53 × 14,147.94
4. Step 4: Simplify right side
   47,878.50x = 1,016,182,929.78
5. Step 5: Solve for x
   x = 1,016,182,929.78/47,878.50
6. Step 6: Final answer
   x = 21,224.20