Finding the Fourth Proportional to 78,956.92, 108,960.42 and 43,146.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,956.92 : 108,960.42 = 43,146.94 : x
2. Step 2: Convert to fraction form
   78,956.92/108,960.42 = 43,146.94/x
3. Step 3: Cross multiply
   78,956.92x = 108,960.42 × 43,146.94
4. Step 4: Simplify right side
   78,956.92x = 4,701,308,704.11
5. Step 5: Solve for x
   x = 4,701,308,704.11/78,956.92
6. Step 6: Final answer
   x = 59,542.71