Finding the Fourth Proportional to 16,083.78, 24,116.82 and 4,987.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,083.78 : 24,116.82 = 4,987.40 : x
2. Step 2: Convert to fraction form
   16,083.78/24,116.82 = 4,987.40/x
3. Step 3: Cross multiply
   16,083.78x = 24,116.82 × 4,987.40
4. Step 4: Simplify right side
   16,083.78x = 120,280,107.48
5. Step 5: Solve for x
   x = 120,280,107.48/16,083.78
6. Step 6: Final answer
   x = 7,478.35