Finding the Fourth Proportional to 72,333.28, 99,779.76 and 50,855.84

Step by Step Solution

1. Step 1: Write the proportion equation
   72,333.28 : 99,779.76 = 50,855.84 : x
2. Step 2: Convert to fraction form
   72,333.28/99,779.76 = 50,855.84/x
3. Step 3: Cross multiply
   72,333.28x = 99,779.76 × 50,855.84
4. Step 4: Simplify right side
   72,333.28x = 5,074,383,509.80
5. Step 5: Solve for x
   x = 5,074,383,509.80/72,333.28
6. Step 6: Final answer
   x = 70,152.82