Finding the Fourth Proportional to 48,927.69, 67,511.61 and 30,768.30

Step by Step Solution

1. Step 1: Write the proportion equation
   48,927.69 : 67,511.61 = 30,768.30 : x
2. Step 2: Convert to fraction form
   48,927.69/67,511.61 = 30,768.30/x
3. Step 3: Cross multiply
   48,927.69x = 67,511.61 × 30,768.30
4. Step 4: Simplify right side
   48,927.69x = 2,077,217,469.96
5. Step 5: Solve for x
   x = 2,077,217,469.96/48,927.69
6. Step 6: Final answer
   x = 42,454.84