Finding the Fourth Proportional to 65,495.48, 90,383.76 and 35,687.48

Step by Step Solution

1. Step 1: Write the proportion equation
   65,495.48 : 90,383.76 = 35,687.48 : x
2. Step 2: Convert to fraction form
   65,495.48/90,383.76 = 35,687.48/x
3. Step 3: Cross multiply
   65,495.48x = 90,383.76 × 35,687.48
4. Step 4: Simplify right side
   65,495.48x = 3,225,568,627.32
5. Step 5: Solve for x
   x = 3,225,568,627.32/65,495.48
6. Step 6: Final answer
   x = 49,248.72