Finding the Fourth Proportional to 52,857, 72,944.87 and 28,984.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,857 : 72,944.87 = 28,984.59 : x
2. Step 2: Convert to fraction form
   52,857/72,944.87 = 28,984.59/x
3. Step 3: Cross multiply
   52,857x = 72,944.87 × 28,984.59
4. Step 4: Simplify right side
   52,857x = 2,114,277,149.55
5. Step 5: Solve for x
   x = 2,114,277,149.55/52,857
6. Step 6: Final answer
   x = 39,999.95