Finding the Fourth Proportional to 117,506.87, 162,142.36 and 67,196.15

Step by Step Solution

1. Step 1: Write the proportion equation
   117,506.87 : 162,142.36 = 67,196.15 : x
2. Step 2: Convert to fraction form
   117,506.87/162,142.36 = 67,196.15/x
3. Step 3: Cross multiply
   117,506.87x = 162,142.36 × 67,196.15
4. Step 4: Simplify right side
   117,506.87x = 10,895,342,343.91
5. Step 5: Solve for x
   x = 10,895,342,343.91/117,506.87
6. Step 6: Final answer
   x = 92,720.90