Finding the Fourth Proportional to 111,215.10, 166,806.45 and 32,321.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,215.10 : 166,806.45 = 32,321.10 : x
2. Step 2: Convert to fraction form
   111,215.10/166,806.45 = 32,321.10/x
3. Step 3: Cross multiply
   111,215.10x = 166,806.45 × 32,321.10
4. Step 4: Simplify right side
   111,215.10x = 5,391,367,951.10
5. Step 5: Solve for x
   x = 5,391,367,951.10/111,215.10
6. Step 6: Final answer
   x = 48,476.94