Finding the Fourth Proportional to 57,920.56, 79,906.61 and 35,241.37

Step by Step Solution

1. Step 1: Write the proportion equation
   57,920.56 : 79,906.61 = 35,241.37 : x
2. Step 2: Convert to fraction form
   57,920.56/79,906.61 = 35,241.37/x
3. Step 3: Cross multiply
   57,920.56x = 79,906.61 × 35,241.37
4. Step 4: Simplify right side
   57,920.56x = 2,816,018,296.79
5. Step 5: Solve for x
   x = 2,816,018,296.79/57,920.56
6. Step 6: Final answer
   x = 48,618.63