Finding the Fourth Proportional to 52,105.87, 71,906.43 and 28,232.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,105.87 : 71,906.43 = 28,232.72 : x
2. Step 2: Convert to fraction form
   52,105.87/71,906.43 = 28,232.72/x
3. Step 3: Cross multiply
   52,105.87x = 71,906.43 × 28,232.72
4. Step 4: Simplify right side
   52,105.87x = 2,030,114,104.39
5. Step 5: Solve for x
   x = 2,030,114,104.39/52,105.87
6. Step 6: Final answer
   x = 38,961.33