Finding the Fourth Proportional to 16,146, 22,290.62 and 10,485.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,146 : 22,290.62 = 10,485.81 : x
2. Step 2: Convert to fraction form
   16,146/22,290.62 = 10,485.81/x
3. Step 3: Cross multiply
   16,146x = 22,290.62 × 10,485.81
4. Step 4: Simplify right side
   16,146x = 233,735,206.10
5. Step 5: Solve for x
   x = 233,735,206.10/16,146
6. Step 6: Final answer
   x = 14,476.35