Finding the Fourth Proportional to 12,084.16, 16,683.82 and 9,851.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,084.16 : 16,683.82 = 9,851.30 : x
2. Step 2: Convert to fraction form
   12,084.16/16,683.82 = 9,851.30/x
3. Step 3: Cross multiply
   12,084.16x = 16,683.82 × 9,851.30
4. Step 4: Simplify right side
   12,084.16x = 164,357,315.97
5. Step 5: Solve for x
   x = 164,357,315.97/12,084.16
6. Step 6: Final answer
   x = 13,601.05