Finding the Fourth Proportional to 111,342.12, 166,961.34 and 64,608.36

Step by Step Solution

1. Step 1: Write the proportion equation
   111,342.12 : 166,961.34 = 64,608.36 : x
2. Step 2: Convert to fraction form
   111,342.12/166,961.34 = 64,608.36/x
3. Step 3: Cross multiply
   111,342.12x = 166,961.34 × 64,608.36
4. Step 4: Simplify right side
   111,342.12x = 10,787,098,360.80
5. Step 5: Solve for x
   x = 10,787,098,360.80/111,342.12
6. Step 6: Final answer
   x = 96,882.46