Finding the Fourth Proportional to 16,083.96, 24,129.69 and 4,990.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,083.96 : 24,129.69 = 4,990.08 : x
2. Step 2: Convert to fraction form
   16,083.96/24,129.69 = 4,990.08/x
3. Step 3: Cross multiply
   16,083.96x = 24,129.69 × 4,990.08
4. Step 4: Simplify right side
   16,083.96x = 120,409,083.48
5. Step 5: Solve for x
   x = 120,409,083.48/16,083.96
6. Step 6: Final answer
   x = 7,486.28