Finding the Fourth Proportional to 50,019.98, 69,029.78 and 28,806.08

Step by Step Solution

1. Step 1: Write the proportion equation
   50,019.98 : 69,029.78 = 28,806.08 : x
2. Step 2: Convert to fraction form
   50,019.98/69,029.78 = 28,806.08/x
3. Step 3: Cross multiply
   50,019.98x = 69,029.78 × 28,806.08
4. Step 4: Simplify right side
   50,019.98x = 1,988,476,875.88
5. Step 5: Solve for x
   x = 1,988,476,875.88/50,019.98
6. Step 6: Final answer
   x = 39,753.66