Finding the Fourth Proportional to 64,958, 89,642.28 and 35,150

Step by Step Solution

1. Step 1: Write the proportion equation
   64,958 : 89,642.28 = 35,150 : x
2. Step 2: Convert to fraction form
   64,958/89,642.28 = 35,150/x
3. Step 3: Cross multiply
   64,958x = 89,642.28 × 35,150
4. Step 4: Simplify right side
   64,958x = 3,150,926,142
5. Step 5: Solve for x
   x = 3,150,926,142/64,958
6. Step 6: Final answer
   x = 48,507.13