Finding the Fourth Proportional to 50,172.02, 69,238.70 and 28,366.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,172.02 : 69,238.70 = 28,366.56 : x
2. Step 2: Convert to fraction form
   50,172.02/69,238.70 = 28,366.56/x
3. Step 3: Cross multiply
   50,172.02x = 69,238.70 × 28,366.56
4. Step 4: Simplify right side
   50,172.02x = 1,964,063,737.87
5. Step 5: Solve for x
   x = 1,964,063,737.87/50,172.02
6. Step 6: Final answer
   x = 39,146.59