Finding the Fourth Proportional to 48,904.14, 67,483.89 and 28,761.78

Step by Step Solution

1. Step 1: Write the proportion equation
   48,904.14 : 67,483.89 = 28,761.78 : x
2. Step 2: Convert to fraction form
   48,904.14/67,483.89 = 28,761.78/x
3. Step 3: Cross multiply
   48,904.14x = 67,483.89 × 28,761.78
4. Step 4: Simplify right side
   48,904.14x = 1,940,956,797.72
5. Step 5: Solve for x
   x = 1,940,956,797.72/48,904.14
6. Step 6: Final answer
   x = 39,689.01