Finding the Fourth Proportional to 111,215.60, 166,807.20 and 32,321.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,215.60 : 166,807.20 = 32,321.60 : x
2. Step 2: Convert to fraction form
   111,215.60/166,807.20 = 32,321.60/x
3. Step 3: Cross multiply
   111,215.60x = 166,807.20 × 32,321.60
4. Step 4: Simplify right side
   111,215.60x = 5,391,475,595.52
5. Step 5: Solve for x
   x = 5,391,475,595.52/111,215.60
6. Step 6: Final answer
   x = 48,477.69