Finding the Fourth Proportional to 52,020.37, 71,787.60 and 28,146.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,020.37 : 71,787.60 = 28,146.52 : x
2. Step 2: Convert to fraction form
   52,020.37/71,787.60 = 28,146.52/x
3. Step 3: Cross multiply
   52,020.37x = 71,787.60 × 28,146.52
4. Step 4: Simplify right side
   52,020.37x = 2,020,571,119.15
5. Step 5: Solve for x
   x = 2,020,571,119.15/52,020.37
6. Step 6: Final answer
   x = 38,841.92