Finding the Fourth Proportional to 65,473.02, 90,352.79 and 35,665.02

Step by Step Solution

1. Step 1: Write the proportion equation
   65,473.02 : 90,352.79 = 35,665.02 : x
2. Step 2: Convert to fraction form
   65,473.02/90,352.79 = 35,665.02/x
3. Step 3: Cross multiply
   65,473.02x = 90,352.79 × 35,665.02
4. Step 4: Simplify right side
   65,473.02x = 3,222,434,062.41
5. Step 5: Solve for x
   x = 3,222,434,062.41/65,473.02
6. Step 6: Final answer
   x = 49,217.74