Finding the Fourth Proportional to 64,958.16, 89,642.12 and 35,150.16

Step by Step Solution

1. Step 1: Write the proportion equation
   64,958.16 : 89,642.12 = 35,150.16 : x
2. Step 2: Convert to fraction form
   64,958.16/89,642.12 = 35,150.16/x
3. Step 3: Cross multiply
   64,958.16x = 89,642.12 × 35,150.16
4. Step 4: Simplify right side
   64,958.16x = 3,150,934,860.74
5. Step 5: Solve for x
   x = 3,150,934,860.74/64,958.16
6. Step 6: Final answer
   x = 48,507.14