Finding the Fourth Proportional to 57,048.42, 78,765.60 and 35,546.82

Step by Step Solution

1. Step 1: Write the proportion equation
   57,048.42 : 78,765.60 = 35,546.82 : x
2. Step 2: Convert to fraction form
   57,048.42/78,765.60 = 35,546.82/x
3. Step 3: Cross multiply
   57,048.42x = 78,765.60 × 35,546.82
4. Step 4: Simplify right side
   57,048.42x = 2,799,866,605.39
5. Step 5: Solve for x
   x = 2,799,866,605.39/57,048.42
6. Step 6: Final answer
   x = 49,078.78