Finding the Fourth Proportional to 52,142.59, 71,956.72 and 28,269.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,142.59 : 71,956.72 = 28,269.06 : x
2. Step 2: Convert to fraction form
   52,142.59/71,956.72 = 28,269.06/x
3. Step 3: Cross multiply
   52,142.59x = 71,956.72 × 28,269.06
4. Step 4: Simplify right side
   52,142.59x = 2,034,148,835.08
5. Step 5: Solve for x
   x = 2,034,148,835.08/52,142.59
6. Step 6: Final answer
   x = 39,011.27