Finding the Fourth Proportional to 51,571.98, 71,168.76 and 28,914.66

Step by Step Solution

1. Step 1: Write the proportion equation
   51,571.98 : 71,168.76 = 28,914.66 : x
2. Step 2: Convert to fraction form
   51,571.98/71,168.76 = 28,914.66/x
3. Step 3: Cross multiply
   51,571.98x = 71,168.76 × 28,914.66
4. Step 4: Simplify right side
   51,571.98x = 2,057,820,498.02
5. Step 5: Solve for x
   x = 2,057,820,498.02/51,571.98
6. Step 6: Final answer
   x = 39,901.91