Finding the Fourth Proportional to 16,290.16, 24,438.29 and 7,406.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,290.16 : 24,438.29 = 7,406.14 : x
2. Step 2: Convert to fraction form
   16,290.16/24,438.29 = 7,406.14/x
3. Step 3: Cross multiply
   16,290.16x = 24,438.29 × 7,406.14
4. Step 4: Simplify right side
   16,290.16x = 180,993,397.10
5. Step 5: Solve for x
   x = 180,993,397.10/16,290.16
6. Step 6: Final answer
   x = 11,110.60