Finding the Fourth Proportional to 78,116.54, 107,800.89 and 42,306.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,116.54 : 107,800.89 = 42,306.62 : x
2. Step 2: Convert to fraction form
   78,116.54/107,800.89 = 42,306.62/x
3. Step 3: Cross multiply
   78,116.54x = 107,800.89 × 42,306.62
4. Step 4: Simplify right side
   78,116.54x = 4,560,691,288.89
5. Step 5: Solve for x
   x = 4,560,691,288.89/78,116.54
6. Step 6: Final answer
   x = 58,383.17