Finding the Fourth Proportional to 78,116.24, 107,800.44 and 42,306.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,116.24 : 107,800.44 = 42,306.56 : x
2. Step 2: Convert to fraction form
   78,116.24/107,800.44 = 42,306.56/x
3. Step 3: Cross multiply
   78,116.24x = 107,800.44 × 42,306.56
4. Step 4: Simplify right side
   78,116.24x = 4,560,665,782.89
5. Step 5: Solve for x
   x = 4,560,665,782.89/78,116.24
6. Step 6: Final answer
   x = 58,383.07