Finding the Fourth Proportional to 69,821.79, 104,831.10 and 50,089.59

Step by Step Solution

1. Step 1: Write the proportion equation
   69,821.79 : 104,831.10 = 50,089.59 : x
2. Step 2: Convert to fraction form
   69,821.79/104,831.10 = 50,089.59/x
3. Step 3: Cross multiply
   69,821.79x = 104,831.10 × 50,089.59
4. Step 4: Simplify right side
   69,821.79x = 5,250,946,818.25
5. Step 5: Solve for x
   x = 5,250,946,818.25/69,821.79
6. Step 6: Final answer
   x = 75,204.99