Finding the Fourth Proportional to 159,894.10, 239,760.82 and 53,240.35

Step by Step Solution

1. Step 1: Write the proportion equation
   159,894.10 : 239,760.82 = 53,240.35 : x
2. Step 2: Convert to fraction form
   159,894.10/239,760.82 = 53,240.35/x
3. Step 3: Cross multiply
   159,894.10x = 239,760.82 × 53,240.35
4. Step 4: Simplify right side
   159,894.10x = 12,764,949,706.89
5. Step 5: Solve for x
   x = 12,764,949,706.89/159,894.10
6. Step 6: Final answer
   x = 79,833.78