Finding the Fourth Proportional to 117,541.72, 162,207.56 and 67,240.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,541.72 : 162,207.56 = 67,240.72 : x
2. Step 2: Convert to fraction form
   117,541.72/162,207.56 = 67,240.72/x
3. Step 3: Cross multiply
   117,541.72x = 162,207.56 × 67,240.72
4. Step 4: Simplify right side
   117,541.72x = 10,906,953,123.84
5. Step 5: Solve for x
   x = 10,906,953,123.84/117,541.72
6. Step 6: Final answer
   x = 92,792.19