Finding the Fourth Proportional to 84,388.50, 116,470.71 and 50,854.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,388.50 : 116,470.71 = 50,854.50 : x
2. Step 2: Convert to fraction form
   84,388.50/116,470.71 = 50,854.50/x
3. Step 3: Cross multiply
   84,388.50x = 116,470.71 × 50,854.50
4. Step 4: Simplify right side
   84,388.50x = 5,923,059,721.70
5. Step 5: Solve for x
   x = 5,923,059,721.70/84,388.50
6. Step 6: Final answer
   x = 70,188.00