Finding the Fourth Proportional to 118,120.02, 163,019.46 and 67,140.42

Step by Step Solution

1. Step 1: Write the proportion equation
   118,120.02 : 163,019.46 = 67,140.42 : x
2. Step 2: Convert to fraction form
   118,120.02/163,019.46 = 67,140.42/x
3. Step 3: Cross multiply
   118,120.02x = 163,019.46 × 67,140.42
4. Step 4: Simplify right side
   118,120.02x = 10,945,195,012.57
5. Step 5: Solve for x
   x = 10,945,195,012.57/118,120.02
6. Step 6: Final answer
   x = 92,661.64