Finding the Fourth Proportional to 64,976.72, 89,668.14 and 35,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,976.72 : 89,668.14 = 35,168.72 : x
2. Step 2: Convert to fraction form
   64,976.72/89,668.14 = 35,168.72/x
3. Step 3: Cross multiply
   64,976.72x = 89,668.14 × 35,168.72
4. Step 4: Simplify right side
   64,976.72x = 3,153,513,662.44
5. Step 5: Solve for x
   x = 3,153,513,662.44/64,976.72
6. Step 6: Final answer
   x = 48,532.98