Finding the Fourth Proportional to 111,103.72, 166,672 and 32,207.68

Step by Step Solution

1. Step 1: Write the proportion equation
   111,103.72 : 166,672 = 32,207.68 : x
2. Step 2: Convert to fraction form
   111,103.72/166,672 = 32,207.68/x
3. Step 3: Cross multiply
   111,103.72x = 166,672 × 32,207.68
4. Step 4: Simplify right side
   111,103.72x = 5,368,118,440.96
5. Step 5: Solve for x
   x = 5,368,118,440.96/111,103.72
6. Step 6: Final answer
   x = 48,316.28