Finding the Fourth Proportional to 57,940, 79,957.20 and 32,789.56

Step by Step Solution

1. Step 1: Write the proportion equation
   57,940 : 79,957.20 = 32,789.56 : x
2. Step 2: Convert to fraction form
   57,940/79,957.20 = 32,789.56/x
3. Step 3: Cross multiply
   57,940x = 79,957.20 × 32,789.56
4. Step 4: Simplify right side
   57,940x = 2,621,761,406.83
5. Step 5: Solve for x
   x = 2,621,761,406.83/57,940
6. Step 6: Final answer
   x = 45,249.59