Finding the Fourth Proportional to 64,894.50, 89,554.50 and 35,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,894.50 : 89,554.50 = 35,086.50 : x
2. Step 2: Convert to fraction form
   64,894.50/89,554.50 = 35,086.50/x
3. Step 3: Cross multiply
   64,894.50x = 89,554.50 × 35,086.50
4. Step 4: Simplify right side
   64,894.50x = 3,142,153,964.25
5. Step 5: Solve for x
   x = 3,142,153,964.25/64,894.50
6. Step 6: Final answer
   x = 48,419.42