Finding the Fourth Proportional to 52,857.14, 72,942.27 and 28,983.74

Step by Step Solution

1. Step 1: Write the proportion equation
   52,857.14 : 72,942.27 = 28,983.74 : x
2. Step 2: Convert to fraction form
   52,857.14/72,942.27 = 28,983.74/x
3. Step 3: Cross multiply
   52,857.14x = 72,942.27 × 28,983.74
4. Step 4: Simplify right side
   52,857.14x = 2,114,139,788.69
5. Step 5: Solve for x
   x = 2,114,139,788.69/52,857.14
6. Step 6: Final answer
   x = 39,997.24