Finding the Fourth Proportional to 52,605.42, 72,595.47 and 28,732.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,605.42 : 72,595.47 = 28,732.15 : x
2. Step 2: Convert to fraction form
   52,605.42/72,595.47 = 28,732.15/x
3. Step 3: Cross multiply
   52,605.42x = 72,595.47 × 28,732.15
4. Step 4: Simplify right side
   52,605.42x = 2,085,823,791.56
5. Step 5: Solve for x
   x = 2,085,823,791.56/52,605.42
6. Step 6: Final answer
   x = 39,650.36