Finding the Fourth Proportional to 64,894.69, 89,554.67 and 35,086.69

Step by Step Solution

1. Step 1: Write the proportion equation
   64,894.69 : 89,554.67 = 35,086.69 : x
2. Step 2: Convert to fraction form
   64,894.69/89,554.67 = 35,086.69/x
3. Step 3: Cross multiply
   64,894.69x = 89,554.67 × 35,086.69
4. Step 4: Simplify right side
   64,894.69x = 3,142,176,808.17
5. Step 5: Solve for x
   x = 3,142,176,808.17/64,894.69
6. Step 6: Final answer
   x = 48,419.63