Finding the Fourth Proportional to 78,723.29, 108,635.97 and 42,914

Step by Step Solution

1. Step 1: Write the proportion equation
   78,723.29 : 108,635.97 = 42,914 : x
2. Step 2: Convert to fraction form
   78,723.29/108,635.97 = 42,914/x
3. Step 3: Cross multiply
   78,723.29x = 108,635.97 × 42,914
4. Step 4: Simplify right side
   78,723.29x = 4,662,004,016.58
5. Step 5: Solve for x
   x = 4,662,004,016.58/78,723.29
6. Step 6: Final answer
   x = 59,220.14