Finding the Fourth Proportional to 50,129.29, 69,173.83 and 28,904.46

Step by Step Solution

1. Step 1: Write the proportion equation
   50,129.29 : 69,173.83 = 28,904.46 : x
2. Step 2: Convert to fraction form
   50,129.29/69,173.83 = 28,904.46/x
3. Step 3: Cross multiply
   50,129.29x = 69,173.83 × 28,904.46
4. Step 4: Simplify right side
   50,129.29x = 1,999,431,711.89
5. Step 5: Solve for x
   x = 1,999,431,711.89/50,129.29
6. Step 6: Final answer
   x = 39,885.50