Finding the Fourth Proportional to 50,089.85, 69,123.99 and 28,870.48

Step by Step Solution

1. Step 1: Write the proportion equation
   50,089.85 : 69,123.99 = 28,870.48 : x
2. Step 2: Convert to fraction form
   50,089.85/69,123.99 = 28,870.48/x
3. Step 3: Cross multiply
   50,089.85x = 69,123.99 × 28,870.48
4. Step 4: Simplify right side
   50,089.85x = 1,995,642,453.65
5. Step 5: Solve for x
   x = 1,995,642,453.65/50,089.85
6. Step 6: Final answer
   x = 39,841.26