Finding the Fourth Proportional to 86,162.06, 118,881.14 and 50,331.72

Step by Step Solution

1. Step 1: Write the proportion equation
   86,162.06 : 118,881.14 = 50,331.72 : x
2. Step 2: Convert to fraction form
   86,162.06/118,881.14 = 50,331.72/x
3. Step 3: Cross multiply
   86,162.06x = 118,881.14 × 50,331.72
4. Step 4: Simplify right side
   86,162.06x = 5,983,492,251.76
5. Step 5: Solve for x
   x = 5,983,492,251.76/86,162.06
6. Step 6: Final answer
   x = 69,444.63