Finding the Fourth Proportional to 50,706.72, 69,975.36 and 28,350.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,706.72 : 69,975.36 = 28,350.72 : x
2. Step 2: Convert to fraction form
   50,706.72/69,975.36 = 28,350.72/x
3. Step 3: Cross multiply
   50,706.72x = 69,975.36 × 28,350.72
4. Step 4: Simplify right side
   50,706.72x = 1,983,851,838.26
5. Step 5: Solve for x
   x = 1,983,851,838.26/50,706.72
6. Step 6: Final answer
   x = 39,124.04