Finding the Fourth Proportional to 10,842.50, 16,265.38 and 3,918.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,842.50 : 16,265.38 = 3,918.62 : x
2. Step 2: Convert to fraction form
   10,842.50/16,265.38 = 3,918.62/x
3. Step 3: Cross multiply
   10,842.50x = 16,265.38 × 3,918.62
4. Step 4: Simplify right side
   10,842.50x = 63,737,843.38
5. Step 5: Solve for x
   x = 63,737,843.38/10,842.50
6. Step 6: Final answer
   x = 5,878.52