Finding the Fourth Proportional to 117,615, 162,318.94 and 64,633.24

Step by Step Solution

1. Step 1: Write the proportion equation
   117,615 : 162,318.94 = 64,633.24 : x
2. Step 2: Convert to fraction form
   117,615/162,318.94 = 64,633.24/x
3. Step 3: Cross multiply
   117,615x = 162,318.94 × 64,633.24
4. Step 4: Simplify right side
   117,615x = 10,491,199,005.57
5. Step 5: Solve for x
   x = 10,491,199,005.57/117,615
6. Step 6: Final answer
   x = 89,199.50