Finding the Fourth Proportional to 78,956.05, 108,958.71 and 43,145.41

Step by Step Solution

1. Step 1: Write the proportion equation
   78,956.05 : 108,958.71 = 43,145.41 : x
2. Step 2: Convert to fraction form
   78,956.05/108,958.71 = 43,145.41/x
3. Step 3: Cross multiply
   78,956.05x = 108,958.71 × 43,145.41
4. Step 4: Simplify right side
   78,956.05x = 4,701,067,455.50
5. Step 5: Solve for x
   x = 4,701,067,455.50/78,956.05
6. Step 6: Final answer
   x = 59,540.31