Finding the Fourth Proportional to 117,507.38, 162,143.06 and 67,196.66

Step by Step Solution

1. Step 1: Write the proportion equation
   117,507.38 : 162,143.06 = 67,196.66 : x
2. Step 2: Convert to fraction form
   117,507.38/162,143.06 = 67,196.66/x
3. Step 3: Cross multiply
   117,507.38x = 162,143.06 × 67,196.66
4. Step 4: Simplify right side
   117,507.38x = 10,895,470,927.48
5. Step 5: Solve for x
   x = 10,895,470,927.48/117,507.38
6. Step 6: Final answer
   x = 92,721.59