Finding the Fourth Proportional to 48,800.92, 67,320.54 and 30,865.72

Step by Step Solution

1. Step 1: Write the proportion equation
   48,800.92 : 67,320.54 = 30,865.72 : x
2. Step 2: Convert to fraction form
   48,800.92/67,320.54 = 30,865.72/x
3. Step 3: Cross multiply
   48,800.92x = 67,320.54 × 30,865.72
4. Step 4: Simplify right side
   48,800.92x = 2,077,896,937.89
5. Step 5: Solve for x
   x = 2,077,896,937.89/48,800.92
6. Step 6: Final answer
   x = 42,579.05