Finding the Fourth Proportional to 52,704.42, 72,732.10 and 28,831.27

Step by Step Solution

1. Step 1: Write the proportion equation
   52,704.42 : 72,732.10 = 28,831.27 : x
2. Step 2: Convert to fraction form
   52,704.42/72,732.10 = 28,831.27/x
3. Step 3: Cross multiply
   52,704.42x = 72,732.10 × 28,831.27
4. Step 4: Simplify right side
   52,704.42x = 2,096,958,625.82
5. Step 5: Solve for x
   x = 2,096,958,625.82/52,704.42
6. Step 6: Final answer
   x = 39,787.15