Finding the Fourth Proportional to 49,050.54, 67,689.12 and 28,908.28

Step by Step Solution

1. Step 1: Write the proportion equation
   49,050.54 : 67,689.12 = 28,908.28 : x
2. Step 2: Convert to fraction form
   49,050.54/67,689.12 = 28,908.28/x
3. Step 3: Cross multiply
   49,050.54x = 67,689.12 × 28,908.28
4. Step 4: Simplify right side
   49,050.54x = 1,956,776,033.91
5. Step 5: Solve for x
   x = 1,956,776,033.91/49,050.54
6. Step 6: Final answer
   x = 39,893.06