Finding the Fourth Proportional to 50,191.72, 69,265.38 and 28,972.84

Step by Step Solution

1. Step 1: Write the proportion equation
   50,191.72 : 69,265.38 = 28,972.84 : x
2. Step 2: Convert to fraction form
   50,191.72/69,265.38 = 28,972.84/x
3. Step 3: Cross multiply
   50,191.72x = 69,265.38 × 28,972.84
4. Step 4: Simplify right side
   50,191.72x = 2,006,814,772.28
5. Step 5: Solve for x
   x = 2,006,814,772.28/50,191.72
6. Step 6: Final answer
   x = 39,982.98