Finding the Fourth Proportional to 117,682.18, 162,401.70 and 63,967.12

Step by Step Solution

1. Step 1: Write the proportion equation
   117,682.18 : 162,401.70 = 63,967.12 : x
2. Step 2: Convert to fraction form
   117,682.18/162,401.70 = 63,967.12/x
3. Step 3: Cross multiply
   117,682.18x = 162,401.70 × 63,967.12
4. Step 4: Simplify right side
   117,682.18x = 10,388,369,032.10
5. Step 5: Solve for x
   x = 10,388,369,032.10/117,682.18
6. Step 6: Final answer
   x = 88,274.78