Finding the Fourth Proportional to 78,414.62, 108,212.58 and 42,604.73

Step by Step Solution

1. Step 1: Write the proportion equation
   78,414.62 : 108,212.58 = 42,604.73 : x
2. Step 2: Convert to fraction form
   78,414.62/108,212.58 = 42,604.73/x
3. Step 3: Cross multiply
   78,414.62x = 108,212.58 × 42,604.73
4. Step 4: Simplify right side
   78,414.62x = 4,610,367,212.44
5. Step 5: Solve for x
   x = 4,610,367,212.44/78,414.62
6. Step 6: Final answer
   x = 58,794.74