Finding the Fourth Proportional to 117,479.89, 162,122.43 and 67,178.89

Step by Step Solution

1. Step 1: Write the proportion equation
   117,479.89 : 162,122.43 = 67,178.89 : x
2. Step 2: Convert to fraction form
   117,479.89/162,122.43 = 67,178.89/x
3. Step 3: Cross multiply
   117,479.89x = 162,122.43 × 67,178.89
4. Step 4: Simplify right side
   117,479.89x = 10,891,204,891.50
5. Step 5: Solve for x
   x = 10,891,204,891.50/117,479.89
6. Step 6: Final answer
   x = 92,706.97