Finding the Fourth Proportional to 65,776, 90,770.88 and 35,968

Step by Step Solution

1. Step 1: Write the proportion equation
   65,776 : 90,770.88 = 35,968 : x
2. Step 2: Convert to fraction form
   65,776/90,770.88 = 35,968/x
3. Step 3: Cross multiply
   65,776x = 90,770.88 × 35,968
4. Step 4: Simplify right side
   65,776x = 3,264,847,011.84
5. Step 5: Solve for x
   x = 3,264,847,011.84/65,776
6. Step 6: Final answer
   x = 49,635.84