Finding the Fourth Proportional to 16,977.62, 23,429.32 and 9,424.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,977.62 : 23,429.32 = 9,424.10 : x
2. Step 2: Convert to fraction form
   16,977.62/23,429.32 = 9,424.10/x
3. Step 3: Cross multiply
   16,977.62x = 23,429.32 × 9,424.10
4. Step 4: Simplify right side
   16,977.62x = 220,800,254.61
5. Step 5: Solve for x
   x = 220,800,254.61/16,977.62
6. Step 6: Final answer
   x = 13,005.37