Finding the Fourth Proportional to 50,129, 69,178.04 and 29,986.73

Step by Step Solution

1. Step 1: Write the proportion equation
   50,129 : 69,178.04 = 29,986.73 : x
2. Step 2: Convert to fraction form
   50,129/69,178.04 = 29,986.73/x
3. Step 3: Cross multiply
   50,129x = 69,178.04 × 29,986.73
4. Step 4: Simplify right side
   50,129x = 2,074,423,057.48
5. Step 5: Solve for x
   x = 2,074,423,057.48/50,129
6. Step 6: Final answer
   x = 41,381.70