Finding the Fourth Proportional to 117,664.69, 162,378.33 and 63,949.83

Step by Step Solution

1. Step 1: Write the proportion equation
   117,664.69 : 162,378.33 = 63,949.83 : x
2. Step 2: Convert to fraction form
   117,664.69/162,378.33 = 63,949.83/x
3. Step 3: Cross multiply
   117,664.69x = 162,378.33 × 63,949.83
4. Step 4: Simplify right side
   117,664.69x = 10,384,066,599.18
5. Step 5: Solve for x
   x = 10,384,066,599.18/117,664.69
6. Step 6: Final answer
   x = 88,251.34