Finding the Fourth Proportional to 65,845.18, 90,866.59 and 35,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,845.18 : 90,866.59 = 35,630.50 : x
2. Step 2: Convert to fraction form
   65,845.18/90,866.59 = 35,630.50/x
3. Step 3: Cross multiply
   65,845.18x = 90,866.59 × 35,630.50
4. Step 4: Simplify right side
   65,845.18x = 3,237,622,104.04
5. Step 5: Solve for x
   x = 3,237,622,104.04/65,845.18
6. Step 6: Final answer
   x = 49,170.22