Finding the Fourth Proportional to 52,142.37, 71,956.56 and 28,269.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,142.37 : 71,956.56 = 28,269.15 : x
2. Step 2: Convert to fraction form
   52,142.37/71,956.56 = 28,269.15/x
3. Step 3: Cross multiply
   52,142.37x = 71,956.56 × 28,269.15
4. Step 4: Simplify right side
   52,142.37x = 2,034,150,788.12
5. Step 5: Solve for x
   x = 2,034,150,788.12/52,142.37
6. Step 6: Final answer
   x = 39,011.48