Finding the Fourth Proportional to 78,582.20, 117,897.89 and 50,533.92

Step by Step Solution

1. Step 1: Write the proportion equation
   78,582.20 : 117,897.89 = 50,533.92 : x
2. Step 2: Convert to fraction form
   78,582.20/117,897.89 = 50,533.92/x
3. Step 3: Cross multiply
   78,582.20x = 117,897.89 × 50,533.92
4. Step 4: Simplify right side
   78,582.20x = 5,957,842,288.76
5. Step 5: Solve for x
   x = 5,957,842,288.76/78,582.20
6. Step 6: Final answer
   x = 75,816.69