Finding the Fourth Proportional to 86,028.06, 118,707.72 and 50,209.86

Step by Step Solution

1. Step 1: Write the proportion equation
   86,028.06 : 118,707.72 = 50,209.86 : x
2. Step 2: Convert to fraction form
   86,028.06/118,707.72 = 50,209.86/x
3. Step 3: Cross multiply
   86,028.06x = 118,707.72 × 50,209.86
4. Step 4: Simplify right side
   86,028.06x = 5,960,298,002.12
5. Step 5: Solve for x
   x = 5,960,298,002.12/86,028.06
6. Step 6: Final answer
   x = 69,283.19