Finding the Fourth Proportional to 64,825.72, 89,459.49 and 35,017.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,825.72 : 89,459.49 = 35,017.72 : x
2. Step 2: Convert to fraction form
   64,825.72/89,459.49 = 35,017.72/x
3. Step 3: Cross multiply
   64,825.72x = 89,459.49 × 35,017.72
4. Step 4: Simplify right side
   64,825.72x = 3,132,667,372.16
5. Step 5: Solve for x
   x = 3,132,667,372.16/64,825.72
6. Step 6: Final answer
   x = 48,324.45