Finding the Fourth Proportional to 65,065.49, 89,789.64 and 35,257.49

Step by Step Solution

1. Step 1: Write the proportion equation
   65,065.49 : 89,789.64 = 35,257.49 : x
2. Step 2: Convert to fraction form
   65,065.49/89,789.64 = 35,257.49/x
3. Step 3: Cross multiply
   65,065.49x = 89,789.64 × 35,257.49
4. Step 4: Simplify right side
   65,065.49x = 3,165,757,334.40
5. Step 5: Solve for x
   x = 3,165,757,334.40/65,065.49
6. Step 6: Final answer
   x = 48,654.94