Finding the Fourth Proportional to 116,661, 160,992.18 and 63,669

Step by Step Solution

1. Step 1: Write the proportion equation
   116,661 : 160,992.18 = 63,669 : x
2. Step 2: Convert to fraction form
   116,661/160,992.18 = 63,669/x
3. Step 3: Cross multiply
   116,661x = 160,992.18 × 63,669
4. Step 4: Simplify right side
   116,661x = 10,250,211,108.42
5. Step 5: Solve for x
   x = 10,250,211,108.42/116,661
6. Step 6: Final answer
   x = 87,863.22