Finding the Fourth Proportional to 64,951.50, 89,633.34 and 35,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,951.50 : 89,633.34 = 35,143.50 : x
2. Step 2: Convert to fraction form
   64,951.50/89,633.34 = 35,143.50/x
3. Step 3: Cross multiply
   64,951.50x = 89,633.34 × 35,143.50
4. Step 4: Simplify right side
   64,951.50x = 3,150,029,284.29
5. Step 5: Solve for x
   x = 3,150,029,284.29/64,951.50
6. Step 6: Final answer
   x = 48,498.18