Finding the Fourth Proportional to 108,512.87, 162,567 and 64,007.42

Step by Step Solution

1. Step 1: Write the proportion equation
   108,512.87 : 162,567 = 64,007.42 : x
2. Step 2: Convert to fraction form
   108,512.87/162,567 = 64,007.42/x
3. Step 3: Cross multiply
   108,512.87x = 162,567 × 64,007.42
4. Step 4: Simplify right side
   108,512.87x = 10,405,493,434.31
5. Step 5: Solve for x
   x = 10,405,493,434.31/108,512.87
6. Step 6: Final answer
   x = 95,891.80