Finding the Fourth Proportional to 13,673.10, 18,846.72 and 10,683.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,673.10 : 18,846.72 = 10,683.72 : x
2. Step 2: Convert to fraction form
   13,673.10/18,846.72 = 10,683.72/x
3. Step 3: Cross multiply
   13,673.10x = 18,846.72 × 10,683.72
4. Step 4: Simplify right side
   13,673.10x = 201,353,079.40
5. Step 5: Solve for x
   x = 201,353,079.40/13,673.10
6. Step 6: Final answer
   x = 14,726.22