Finding the Fourth Proportional to 78,960.72, 118,361.18 and 34,011.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,960.72 : 118,361.18 = 34,011.38 : x
2. Step 2: Convert to fraction form
   78,960.72/118,361.18 = 34,011.38/x
3. Step 3: Cross multiply
   78,960.72x = 118,361.18 × 34,011.38
4. Step 4: Simplify right side
   78,960.72x = 4,025,627,070.23
5. Step 5: Solve for x
   x = 4,025,627,070.23/78,960.72
6. Step 6: Final answer
   x = 50,982.65