Finding the Fourth Proportional to 16,325.57, 24,486.18 and 7,431.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,325.57 : 24,486.18 = 7,431.32 : x
2. Step 2: Convert to fraction form
   16,325.57/24,486.18 = 7,431.32/x
3. Step 3: Cross multiply
   16,325.57x = 24,486.18 × 7,431.32
4. Step 4: Simplify right side
   16,325.57x = 181,964,639.16
5. Step 5: Solve for x
   x = 181,964,639.16/16,325.57
6. Step 6: Final answer
   x = 11,145.99