Finding the Fourth Proportional to 64,513.86, 89,024.82 and 35,831.16

Step by Step Solution

1. Step 1: Write the proportion equation
   64,513.86 : 89,024.82 = 35,831.16 : x
2. Step 2: Convert to fraction form
   64,513.86/89,024.82 = 35,831.16/x
3. Step 3: Cross multiply
   64,513.86x = 89,024.82 × 35,831.16
4. Step 4: Simplify right side
   64,513.86x = 3,189,862,569.39
5. Step 5: Solve for x
   x = 3,189,862,569.39/64,513.86
6. Step 6: Final answer
   x = 49,444.61