Finding the Fourth Proportional to 78,306.62, 108,063.48 and 42,496.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,306.62 : 108,063.48 = 42,496.62 : x
2. Step 2: Convert to fraction form
   78,306.62/108,063.48 = 42,496.62/x
3. Step 3: Cross multiply
   78,306.62x = 108,063.48 × 42,496.62
4. Step 4: Simplify right side
   78,306.62x = 4,592,332,399.56
5. Step 5: Solve for x
   x = 4,592,332,399.56/78,306.62
6. Step 6: Final answer
   x = 58,645.52