Finding the Fourth Proportional to 64,966.50, 89,653.82 and 35,158.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,966.50 : 89,653.82 = 35,158.50 : x
2. Step 2: Convert to fraction form
   64,966.50/89,653.82 = 35,158.50/x
3. Step 3: Cross multiply
   64,966.50x = 89,653.82 × 35,158.50
4. Step 4: Simplify right side
   64,966.50x = 3,152,093,654.68
5. Step 5: Solve for x
   x = 3,152,093,654.68/64,966.50
6. Step 6: Final answer
   x = 48,518.75