Finding the Fourth Proportional to 117,568.50, 162,245.72 and 63,854.57

Step by Step Solution

1. Step 1: Write the proportion equation
   117,568.50 : 162,245.72 = 63,854.57 : x
2. Step 2: Convert to fraction form
   117,568.50/162,245.72 = 63,854.57/x
3. Step 3: Cross multiply
   117,568.50x = 162,245.72 × 63,854.57
4. Step 4: Simplify right side
   117,568.50x = 10,360,129,873.71
5. Step 5: Solve for x
   x = 10,360,129,873.71/117,568.50
6. Step 6: Final answer
   x = 88,119.95