Finding the Fourth Proportional to 86,007.16, 118,669.10 and 50,176.72

Step by Step Solution

1. Step 1: Write the proportion equation
   86,007.16 : 118,669.10 = 50,176.72 : x
2. Step 2: Convert to fraction form
   86,007.16/118,669.10 = 50,176.72/x
3. Step 3: Cross multiply
   86,007.16x = 118,669.10 × 50,176.72
4. Step 4: Simplify right side
   86,007.16x = 5,954,426,203.35
5. Step 5: Solve for x
   x = 5,954,426,203.35/86,007.16
6. Step 6: Final answer
   x = 69,231.75