Finding the Fourth Proportional to 65,476.50, 90,357.60 and 35,668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,476.50 : 90,357.60 = 35,668.50 : x
2. Step 2: Convert to fraction form
   65,476.50/90,357.60 = 35,668.50/x
3. Step 3: Cross multiply
   65,476.50x = 90,357.60 × 35,668.50
4. Step 4: Simplify right side
   65,476.50x = 3,222,920,055.60
5. Step 5: Solve for x
   x = 3,222,920,055.60/65,476.50
6. Step 6: Final answer
   x = 49,222.55