Finding the Fourth Proportional to 64,635.99, 89,196.06 and 35,955.57

Step by Step Solution

1. Step 1: Write the proportion equation
   64,635.99 : 89,196.06 = 35,955.57 : x
2. Step 2: Convert to fraction form
   64,635.99/89,196.06 = 35,955.57/x
3. Step 3: Cross multiply
   64,635.99x = 89,196.06 × 35,955.57
4. Step 4: Simplify right side
   64,635.99x = 3,207,095,179.05
5. Step 5: Solve for x
   x = 3,207,095,179.05/64,635.99
6. Step 6: Final answer
   x = 49,617.79