Finding the Fourth Proportional to 52,019.94, 71,787 and 28,146.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,019.94 : 71,787 = 28,146.09 : x
2. Step 2: Convert to fraction form
   52,019.94/71,787 = 28,146.09/x
3. Step 3: Cross multiply
   52,019.94x = 71,787 × 28,146.09
4. Step 4: Simplify right side
   52,019.94x = 2,020,523,362.83
5. Step 5: Solve for x
   x = 2,020,523,362.83/52,019.94
6. Step 6: Final answer
   x = 38,841.32