Finding the Fourth Proportional to 117,786.12, 162,540.18 and 67,475.40

Step by Step Solution

1. Step 1: Write the proportion equation
   117,786.12 : 162,540.18 = 67,475.40 : x
2. Step 2: Convert to fraction form
   117,786.12/162,540.18 = 67,475.40/x
3. Step 3: Cross multiply
   117,786.12x = 162,540.18 × 67,475.40
4. Step 4: Simplify right side
   117,786.12x = 10,967,463,661.57
5. Step 5: Solve for x
   x = 10,967,463,661.57/117,786.12
6. Step 6: Final answer
   x = 93,113.38