Finding the Fourth Proportional to 78,968.07, 108,975.67 and 43,158.07

Step by Step Solution

1. Step 1: Write the proportion equation
   78,968.07 : 108,975.67 = 43,158.07 : x
2. Step 2: Convert to fraction form
   78,968.07/108,975.67 = 43,158.07/x
3. Step 3: Cross multiply
   78,968.07x = 108,975.67 × 43,158.07
4. Step 4: Simplify right side
   78,968.07x = 4,703,179,594.16
5. Step 5: Solve for x
   x = 4,703,179,594.16/78,968.07
6. Step 6: Final answer
   x = 59,557.99