Finding the Fourth Proportional to 50,039.91, 69,056.69 and 28,529.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,039.91 : 69,056.69 = 28,529.28 : x
2. Step 2: Convert to fraction form
   50,039.91/69,056.69 = 28,529.28/x
3. Step 3: Cross multiply
   50,039.91x = 69,056.69 × 28,529.28
4. Step 4: Simplify right side
   50,039.91x = 1,970,137,502.24
5. Step 5: Solve for x
   x = 1,970,137,502.24/50,039.91
6. Step 6: Final answer
   x = 39,371.32