Finding the Fourth Proportional to 52,017.69, 71,783.90 and 28,143.84

Step by Step Solution

1. Step 1: Write the proportion equation
   52,017.69 : 71,783.90 = 28,143.84 : x
2. Step 2: Convert to fraction form
   52,017.69/71,783.90 = 28,143.84/x
3. Step 3: Cross multiply
   52,017.69x = 71,783.90 × 28,143.84
4. Step 4: Simplify right side
   52,017.69x = 2,020,274,096.54
5. Step 5: Solve for x
   x = 2,020,274,096.54/52,017.69
6. Step 6: Final answer
   x = 38,838.22