Finding the Fourth Proportional to 83,388.96, 115,087.92 and 49,394.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,388.96 : 115,087.92 = 49,394.80 : x
2. Step 2: Convert to fraction form
   83,388.96/115,087.92 = 49,394.80/x
3. Step 3: Cross multiply
   83,388.96x = 115,087.92 × 49,394.80
4. Step 4: Simplify right side
   83,388.96x = 5,684,744,790.82
5. Step 5: Solve for x
   x = 5,684,744,790.82/83,388.96
6. Step 6: Final answer
   x = 68,171.43