Finding the Fourth Proportional to 49,776.12, 68,704.61 and 28,569.51

Step by Step Solution

1. Step 1: Write the proportion equation
   49,776.12 : 68,704.61 = 28,569.51 : x
2. Step 2: Convert to fraction form
   49,776.12/68,704.61 = 28,569.51/x
3. Step 3: Cross multiply
   49,776.12x = 68,704.61 × 28,569.51
4. Step 4: Simplify right side
   49,776.12x = 1,962,856,899.59
5. Step 5: Solve for x
   x = 1,962,856,899.59/49,776.12
6. Step 6: Final answer
   x = 39,433.71