Finding the Fourth Proportional to 49,050.74, 67,687.98 and 28,908.47

Step by Step Solution

1. Step 1: Write the proportion equation
   49,050.74 : 67,687.98 = 28,908.47 : x
2. Step 2: Convert to fraction form
   49,050.74/67,687.98 = 28,908.47/x
3. Step 3: Cross multiply
   49,050.74x = 67,687.98 × 28,908.47
4. Step 4: Simplify right side
   49,050.74x = 1,956,755,939.19
5. Step 5: Solve for x
   x = 1,956,755,939.19/49,050.74
6. Step 6: Final answer
   x = 39,892.49