Finding the Fourth Proportional to 64,831.50, 89,467.47 and 35,023.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,831.50 : 89,467.47 = 35,023.50 : x
2. Step 2: Convert to fraction form
   64,831.50/89,467.47 = 35,023.50/x
3. Step 3: Cross multiply
   64,831.50x = 89,467.47 × 35,023.50
4. Step 4: Simplify right side
   64,831.50x = 3,133,463,935.55
5. Step 5: Solve for x
   x = 3,133,463,935.55/64,831.50
6. Step 6: Final answer
   x = 48,332.43