Finding the Fourth Proportional to 64,501.89, 89,013.48 and 35,823.41

Step by Step Solution

1. Step 1: Write the proportion equation
   64,501.89 : 89,013.48 = 35,823.41 : x
2. Step 2: Convert to fraction form
   64,501.89/89,013.48 = 35,823.41/x
3. Step 3: Cross multiply
   64,501.89x = 89,013.48 × 35,823.41
4. Step 4: Simplify right side
   64,501.89x = 3,188,765,944.50
5. Step 5: Solve for x
   x = 3,188,765,944.50/64,501.89
6. Step 6: Final answer
   x = 49,436.78