Finding the Fourth Proportional to 65,896.12, 90,936.82 and 35,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,896.12 : 90,936.82 = 35,681.50 : x
2. Step 2: Convert to fraction form
   65,896.12/90,936.82 = 35,681.50/x
3. Step 3: Cross multiply
   65,896.12x = 90,936.82 × 35,681.50
4. Step 4: Simplify right side
   65,896.12x = 3,244,762,142.83
5. Step 5: Solve for x
   x = 3,244,762,142.83/65,896.12
6. Step 6: Final answer
   x = 49,240.56