Finding the Fourth Proportional to 50,834, 70,150.96 and 28,478

Step by Step Solution

1. Step 1: Write the proportion equation
   50,834 : 70,150.96 = 28,478 : x
2. Step 2: Convert to fraction form
   50,834/70,150.96 = 28,478/x
3. Step 3: Cross multiply
   50,834x = 70,150.96 × 28,478
4. Step 4: Simplify right side
   50,834x = 1,997,759,038.88
5. Step 5: Solve for x
   x = 1,997,759,038.88/50,834
6. Step 6: Final answer
   x = 39,299.66