Finding the Fourth Proportional to 64,894, 89,553.72 and 35,086

Step by Step Solution

1. Step 1: Write the proportion equation
   64,894 : 89,553.72 = 35,086 : x
2. Step 2: Convert to fraction form
   64,894/89,553.72 = 35,086/x
3. Step 3: Cross multiply
   64,894x = 89,553.72 × 35,086
4. Step 4: Simplify right side
   64,894x = 3,142,081,819.92
5. Step 5: Solve for x
   x = 3,142,081,819.92/64,894
6. Step 6: Final answer
   x = 48,418.68