Finding the Fourth Proportional to 64,894.13, 89,553.89 and 35,086.13

Step by Step Solution

1. Step 1: Write the proportion equation
   64,894.13 : 89,553.89 = 35,086.13 : x
2. Step 2: Convert to fraction form
   64,894.13/89,553.89 = 35,086.13/x
3. Step 3: Cross multiply
   64,894.13x = 89,553.89 × 35,086.13
4. Step 4: Simplify right side
   64,894.13x = 3,142,099,426.55
5. Step 5: Solve for x
   x = 3,142,099,426.55/64,894.13
6. Step 6: Final answer
   x = 48,418.85