Finding the Fourth Proportional to 50,077.04, 69,105.30 and 28,855.04

Step by Step Solution

1. Step 1: Write the proportion equation
   50,077.04 : 69,105.30 = 28,855.04 : x
2. Step 2: Convert to fraction form
   50,077.04/69,105.30 = 28,855.04/x
3. Step 3: Cross multiply
   50,077.04x = 69,105.30 × 28,855.04
4. Step 4: Simplify right side
   50,077.04x = 1,994,036,195.71
5. Step 5: Solve for x
   x = 1,994,036,195.71/50,077.04
6. Step 6: Final answer
   x = 39,819.37