Finding the Fourth Proportional to 53,833.74, 80,650.17 and 39,006.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,833.74 : 80,650.17 = 39,006.42 : x
2. Step 2: Convert to fraction form
   53,833.74/80,650.17 = 39,006.42/x
3. Step 3: Cross multiply
   53,833.74x = 80,650.17 × 39,006.42
4. Step 4: Simplify right side
   53,833.74x = 3,145,874,404.09
5. Step 5: Solve for x
   x = 3,145,874,404.09/53,833.74
6. Step 6: Final answer
   x = 58,436.85