Finding the Fourth Proportional to 86,844, 119,850.72 and 49,118.40

Step by Step Solution

1. Step 1: Write the proportion equation
   86,844 : 119,850.72 = 49,118.40 : x
2. Step 2: Convert to fraction form
   86,844/119,850.72 = 49,118.40/x
3. Step 3: Cross multiply
   86,844x = 119,850.72 × 49,118.40
4. Step 4: Simplify right side
   86,844x = 5,886,875,605.25
5. Step 5: Solve for x
   x = 5,886,875,605.25/86,844
6. Step 6: Final answer
   x = 67,786.79