Finding the Fourth Proportional to 78,968.37, 108,976.55 and 43,158.81

Step by Step Solution

1. Step 1: Write the proportion equation
   78,968.37 : 108,976.55 = 43,158.81 : x
2. Step 2: Convert to fraction form
   78,968.37/108,976.55 = 43,158.81/x
3. Step 3: Cross multiply
   78,968.37x = 108,976.55 × 43,158.81
4. Step 4: Simplify right side
   78,968.37x = 4,703,298,000.11
5. Step 5: Solve for x
   x = 4,703,298,000.11/78,968.37
6. Step 6: Final answer
   x = 59,559.26