Finding the Fourth Proportional to 57,631.35, 79,531.61 and 32,139.33

Step by Step Solution

1. Step 1: Write the proportion equation
   57,631.35 : 79,531.61 = 32,139.33 : x
2. Step 2: Convert to fraction form
   57,631.35/79,531.61 = 32,139.33/x
3. Step 3: Cross multiply
   57,631.35x = 79,531.61 × 32,139.33
4. Step 4: Simplify right side
   57,631.35x = 2,556,092,720.27
5. Step 5: Solve for x
   x = 2,556,092,720.27/57,631.35
6. Step 6: Final answer
   x = 44,352.47