Finding the Fourth Proportional to 78,957.68, 108,961.37 and 43,147.91

Step by Step Solution

1. Step 1: Write the proportion equation
   78,957.68 : 108,961.37 = 43,147.91 : x
2. Step 2: Convert to fraction form
   78,957.68/108,961.37 = 43,147.91/x
3. Step 3: Cross multiply
   78,957.68x = 108,961.37 × 43,147.91
4. Step 4: Simplify right side
   78,957.68x = 4,701,455,604.71
5. Step 5: Solve for x
   x = 4,701,455,604.71/78,957.68
6. Step 6: Final answer
   x = 59,544.00