Finding the Fourth Proportional to 117,727.62, 162,462.42 and 64,011.12

Step by Step Solution

1. Step 1: Write the proportion equation
   117,727.62 : 162,462.42 = 64,011.12 : x
2. Step 2: Convert to fraction form
   117,727.62/162,462.42 = 64,011.12/x
3. Step 3: Cross multiply
   117,727.62x = 162,462.42 × 64,011.12
4. Step 4: Simplify right side
   117,727.62x = 10,399,401,462.11
5. Step 5: Solve for x
   x = 10,399,401,462.11/117,727.62
6. Step 6: Final answer
   x = 88,334.42