Finding the Fourth Proportional to 86,638.12, 119,561.35 and 49,849.82

Step by Step Solution

1. Step 1: Write the proportion equation
   86,638.12 : 119,561.35 = 49,849.82 : x
2. Step 2: Convert to fraction form
   86,638.12/119,561.35 = 49,849.82/x
3. Step 3: Cross multiply
   86,638.12x = 119,561.35 × 49,849.82
4. Step 4: Simplify right side
   86,638.12x = 5,960,111,638.02
5. Step 5: Solve for x
   x = 5,960,111,638.02/86,638.12
6. Step 6: Final answer
   x = 68,793.18