Finding the Fourth Proportional to 50,075.91, 69,104.61 and 28,855.13

Step by Step Solution

1. Step 1: Write the proportion equation
   50,075.91 : 69,104.61 = 28,855.13 : x
2. Step 2: Convert to fraction form
   50,075.91/69,104.61 = 28,855.13/x
3. Step 3: Cross multiply
   50,075.91x = 69,104.61 × 28,855.13
4. Step 4: Simplify right side
   50,075.91x = 1,994,022,159.63
5. Step 5: Solve for x
   x = 1,994,022,159.63/50,075.91
6. Step 6: Final answer
   x = 39,819.99