Finding the Fourth Proportional to 16,610.32, 24,911.23 and 4,920.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,610.32 : 24,911.23 = 4,920.81 : x
2. Step 2: Convert to fraction form
   16,610.32/24,911.23 = 4,920.81/x
3. Step 3: Cross multiply
   16,610.32x = 24,911.23 × 4,920.81
4. Step 4: Simplify right side
   16,610.32x = 122,583,429.70
5. Step 5: Solve for x
   x = 122,583,429.70/16,610.32
6. Step 6: Final answer
   x = 7,379.96