Finding the Fourth Proportional to 117,667.72, 162,381.54 and 67,367.08

Step by Step Solution

1. Step 1: Write the proportion equation
   117,667.72 : 162,381.54 = 67,367.08 : x
2. Step 2: Convert to fraction form
   117,667.72/162,381.54 = 67,367.08/x
3. Step 3: Cross multiply
   117,667.72x = 162,381.54 × 67,367.08
4. Step 4: Simplify right side
   117,667.72x = 10,939,170,195.70
5. Step 5: Solve for x
   x = 10,939,170,195.70/117,667.72
6. Step 6: Final answer
   x = 92,966.62