Finding the Fourth Proportional to 86,086.84, 118,806.98 and 50,288.34

Step by Step Solution

1. Step 1: Write the proportion equation
   86,086.84 : 118,806.98 = 50,288.34 : x
2. Step 2: Convert to fraction form
   86,086.84/118,806.98 = 50,288.34/x
3. Step 3: Cross multiply
   86,086.84x = 118,806.98 × 50,288.34
4. Step 4: Simplify right side
   86,086.84x = 5,974,605,804.61
5. Step 5: Solve for x
   x = 5,974,605,804.61/86,086.84
6. Step 6: Final answer
   x = 69,402.08