Finding the Fourth Proportional to 48,789.92, 67,305.36 and 30,854.72

Step by Step Solution

1. Step 1: Write the proportion equation
   48,789.92 : 67,305.36 = 30,854.72 : x
2. Step 2: Convert to fraction form
   48,789.92/67,305.36 = 30,854.72/x
3. Step 3: Cross multiply
   48,789.92x = 67,305.36 × 30,854.72
4. Step 4: Simplify right side
   48,789.92x = 2,076,688,037.30
5. Step 5: Solve for x
   x = 2,076,688,037.30/48,789.92
6. Step 6: Final answer
   x = 42,563.87