Finding the Fourth Proportional to 86,874, 119,885.31 and 49,148.25

Step by Step Solution

1. Step 1: Write the proportion equation
   86,874 : 119,885.31 = 49,148.25 : x
2. Step 2: Convert to fraction form
   86,874/119,885.31 = 49,148.25/x
3. Step 3: Cross multiply
   86,874x = 119,885.31 × 49,148.25
4. Step 4: Simplify right side
   86,874x = 5,892,153,187.21
5. Step 5: Solve for x
   x = 5,892,153,187.21/86,874
6. Step 6: Final answer
   x = 67,824.13