Finding the Fourth Proportional to 57,864.34, 79,867.38 and 32,728.42

Step by Step Solution

1. Step 1: Write the proportion equation
   57,864.34 : 79,867.38 = 32,728.42 : x
2. Step 2: Convert to fraction form
   57,864.34/79,867.38 = 32,728.42/x
3. Step 3: Cross multiply
   57,864.34x = 79,867.38 × 32,728.42
4. Step 4: Simplify right side
   57,864.34x = 2,613,933,156.94
5. Step 5: Solve for x
   x = 2,613,933,156.94/57,864.34
6. Step 6: Final answer
   x = 45,173.47