Finding the Fourth Proportional to 64,958.09, 89,642.39 and 35,150.09

Step by Step Solution

1. Step 1: Write the proportion equation
   64,958.09 : 89,642.39 = 35,150.09 : x
2. Step 2: Convert to fraction form
   64,958.09/89,642.39 = 35,150.09/x
3. Step 3: Cross multiply
   64,958.09x = 89,642.39 × 35,150.09
4. Step 4: Simplify right side
   64,958.09x = 3,150,937,452.35
5. Step 5: Solve for x
   x = 3,150,937,452.35/64,958.09
6. Step 6: Final answer
   x = 48,507.24