Finding the Fourth Proportional to 47,914.71, 71,866.56 and 12,851.61

Step by Step Solution

1. Step 1: Write the proportion equation
   47,914.71 : 71,866.56 = 12,851.61 : x
2. Step 2: Convert to fraction form
   47,914.71/71,866.56 = 12,851.61/x
3. Step 3: Cross multiply
   47,914.71x = 71,866.56 × 12,851.61
4. Step 4: Simplify right side
   47,914.71x = 923,601,001.16
5. Step 5: Solve for x
   x = 923,601,001.16/47,914.71
6. Step 6: Final answer
   x = 19,275.94