Finding the Fourth Proportional to 65,016.28, 89,722.42 and 35,208.28

Step by Step Solution

1. Step 1: Write the proportion equation
   65,016.28 : 89,722.42 = 35,208.28 : x
2. Step 2: Convert to fraction form
   65,016.28/89,722.42 = 35,208.28/x
3. Step 3: Cross multiply
   65,016.28x = 89,722.42 × 35,208.28
4. Step 4: Simplify right side
   65,016.28x = 3,158,972,085.64
5. Step 5: Solve for x
   x = 3,158,972,085.64/65,016.28
6. Step 6: Final answer
   x = 48,587.40