Finding the Fourth Proportional to 116,416.48, 160,668.06 and 64,738.73

Step by Step Solution

1. Step 1: Write the proportion equation
   116,416.48 : 160,668.06 = 64,738.73 : x
2. Step 2: Convert to fraction form
   116,416.48/160,668.06 = 64,738.73/x
3. Step 3: Cross multiply
   116,416.48x = 160,668.06 × 64,738.73
4. Step 4: Simplify right side
   116,416.48x = 10,401,446,293.76
5. Step 5: Solve for x
   x = 10,401,446,293.76/116,416.48
6. Step 6: Final answer
   x = 89,346.86