Finding the Fourth Proportional to 47,651.38, 71,381.77 and 28,665.54

Step by Step Solution

1. Step 1: Write the proportion equation
   47,651.38 : 71,381.77 = 28,665.54 : x
2. Step 2: Convert to fraction form
   47,651.38/71,381.77 = 28,665.54/x
3. Step 3: Cross multiply
   47,651.38x = 71,381.77 × 28,665.54
4. Step 4: Simplify right side
   47,651.38x = 2,046,196,911.54
5. Step 5: Solve for x
   x = 2,046,196,911.54/47,651.38
6. Step 6: Final answer
   x = 42,940.98