Finding the Fourth Proportional to 39,993.72, 55,173.06 and 23,217

Step by Step Solution

1. Step 1: Write the proportion equation
   39,993.72 : 55,173.06 = 23,217 : x
2. Step 2: Convert to fraction form
   39,993.72/55,173.06 = 23,217/x
3. Step 3: Cross multiply
   39,993.72x = 55,173.06 × 23,217
4. Step 4: Simplify right side
   39,993.72x = 1,280,952,934.02
5. Step 5: Solve for x
   x = 1,280,952,934.02/39,993.72
6. Step 6: Final answer
   x = 32,028.85