Finding the Fourth Proportional to 57,321.72, 79,103.58 and 32,171.40

Step by Step Solution

1. Step 1: Write the proportion equation
   57,321.72 : 79,103.58 = 32,171.40 : x
2. Step 2: Convert to fraction form
   57,321.72/79,103.58 = 32,171.40/x
3. Step 3: Cross multiply
   57,321.72x = 79,103.58 × 32,171.40
4. Step 4: Simplify right side
   57,321.72x = 2,544,872,913.61
5. Step 5: Solve for x
   x = 2,544,872,913.61/57,321.72
6. Step 6: Final answer
   x = 44,396.31