Finding the Fourth Proportional to 57,930.22, 79,930.77 and 35,281.06

Step by Step Solution

1. Step 1: Write the proportion equation
   57,930.22 : 79,930.77 = 35,281.06 : x
2. Step 2: Convert to fraction form
   57,930.22/79,930.77 = 35,281.06/x
3. Step 3: Cross multiply
   57,930.22x = 79,930.77 × 35,281.06
4. Step 4: Simplify right side
   57,930.22x = 2,820,042,292.22
5. Step 5: Solve for x
   x = 2,820,042,292.22/57,930.22
6. Step 6: Final answer
   x = 48,679.99