Finding the Fourth Proportional to 10,357.36, 14,196.37 and 9,983.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,357.36 : 14,196.37 = 9,983.29 : x
2. Step 2: Convert to fraction form
   10,357.36/14,196.37 = 9,983.29/x
3. Step 3: Cross multiply
   10,357.36x = 14,196.37 × 9,983.29
4. Step 4: Simplify right side
   10,357.36x = 141,726,478.66
5. Step 5: Solve for x
   x = 141,726,478.66/10,357.36
6. Step 6: Final answer
   x = 13,683.65