Finding the Fourth Proportional to 118,689.45, 163,791.57 and 67,007.00

Step by Step Solution

1. Step 1: Write the proportion equation
   118,689.45 : 163,791.57 = 67,007.00 : x
2. Step 2: Convert to fraction form
   118,689.45/163,791.57 = 67,007.00/x
3. Step 3: Cross multiply
   118,689.45x = 163,791.57 × 67,007.00
4. Step 4: Simplify right side
   118,689.45x = 10,975,180,912.03
5. Step 5: Solve for x
   x = 10,975,180,912.03/118,689.45
6. Step 6: Final answer
   x = 92,469.73