Finding the Fourth Proportional to 57,636.42, 79,538.61 and 32,144.40

Step by Step Solution

1. Step 1: Write the proportion equation
   57,636.42 : 79,538.61 = 32,144.40 : x
2. Step 2: Convert to fraction form
   57,636.42/79,538.61 = 32,144.40/x
3. Step 3: Cross multiply
   57,636.42x = 79,538.61 × 32,144.40
4. Step 4: Simplify right side
   57,636.42x = 2,556,720,895.28
5. Step 5: Solve for x
   x = 2,556,720,895.28/57,636.42
6. Step 6: Final answer
   x = 44,359.47