Finding the Fourth Proportional to 57,728.68, 79,667.82 and 32,578.12

Step by Step Solution

1. Step 1: Write the proportion equation
   57,728.68 : 79,667.82 = 32,578.12 : x
2. Step 2: Convert to fraction form
   57,728.68/79,667.82 = 32,578.12/x
3. Step 3: Cross multiply
   57,728.68x = 79,667.82 × 32,578.12
4. Step 4: Simplify right side
   57,728.68x = 2,595,427,800.10
5. Step 5: Solve for x
   x = 2,595,427,800.10/57,728.68
6. Step 6: Final answer
   x = 44,959.07