Finding the Fourth Proportional to 49,871.07, 68,824.71 and 28,651.71

Step by Step Solution

1. Step 1: Write the proportion equation
   49,871.07 : 68,824.71 = 28,651.71 : x
2. Step 2: Convert to fraction form
   49,871.07/68,824.71 = 28,651.71/x
3. Step 3: Cross multiply
   49,871.07x = 68,824.71 × 28,651.71
4. Step 4: Simplify right side
   49,871.07x = 1,971,945,631.75
5. Step 5: Solve for x
   x = 1,971,945,631.75/49,871.07
6. Step 6: Final answer
   x = 39,540.87