Finding the Fourth Proportional to 64,824.72, 89,458.11 and 35,016.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,824.72 : 89,458.11 = 35,016.72 : x
2. Step 2: Convert to fraction form
   64,824.72/89,458.11 = 35,016.72/x
3. Step 3: Cross multiply
   64,824.72x = 89,458.11 × 35,016.72
4. Step 4: Simplify right side
   64,824.72x = 3,132,529,589.60
5. Step 5: Solve for x
   x = 3,132,529,589.60/64,824.72
6. Step 6: Final answer
   x = 48,323.07