Finding the Fourth Proportional to 78,968.09, 108,972.69 and 43,159.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,968.09 : 108,972.69 = 43,159.34 : x
2. Step 2: Convert to fraction form
   78,968.09/108,972.69 = 43,159.34/x
3. Step 3: Cross multiply
   78,968.09x = 108,972.69 × 43,159.34
4. Step 4: Simplify right side
   78,968.09x = 4,703,189,378.42
5. Step 5: Solve for x
   x = 4,703,189,378.42/78,968.09
6. Step 6: Final answer
   x = 59,558.10