Finding the Fourth Proportional to 65,952.97, 91,010.77 and 42,077.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,952.97 : 91,010.77 = 42,077.10 : x
2. Step 2: Convert to fraction form
   65,952.97/91,010.77 = 42,077.10/x
3. Step 3: Cross multiply
   65,952.97x = 91,010.77 × 42,077.10
4. Step 4: Simplify right side
   65,952.97x = 3,829,469,270.37
5. Step 5: Solve for x
   x = 3,829,469,270.37/65,952.97
6. Step 6: Final answer
   x = 58,063.64