Finding the Fourth Proportional to 16,900.18, 23,322.30 and 9,448.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,900.18 : 23,322.30 = 9,448.18 : x
2. Step 2: Convert to fraction form
   16,900.18/23,322.30 = 9,448.18/x
3. Step 3: Cross multiply
   16,900.18x = 23,322.30 × 9,448.18
4. Step 4: Simplify right side
   16,900.18x = 220,353,288.41
5. Step 5: Solve for x
   x = 220,353,288.41/16,900.18
6. Step 6: Final answer
   x = 13,038.52