Finding the Fourth Proportional to 50,029.79, 69,019.71 and 28,804.55

Step by Step Solution

1. Step 1: Write the proportion equation
   50,029.79 : 69,019.71 = 28,804.55 : x
2. Step 2: Convert to fraction form
   50,029.79/69,019.71 = 28,804.55/x
3. Step 3: Cross multiply
   50,029.79x = 69,019.71 × 28,804.55
4. Step 4: Simplify right side
   50,029.79x = 1,988,081,687.68
5. Step 5: Solve for x
   x = 1,988,081,687.68/50,029.79
6. Step 6: Final answer
   x = 39,737.96