Finding the Fourth Proportional to 13,323.02, 19,986.96 and 7,086.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,323.02 : 19,986.96 = 7,086.02 : x
2. Step 2: Convert to fraction form
   13,323.02/19,986.96 = 7,086.02/x
3. Step 3: Cross multiply
   13,323.02x = 19,986.96 × 7,086.02
4. Step 4: Simplify right side
   13,323.02x = 141,627,998.30
5. Step 5: Solve for x
   x = 141,627,998.30/13,323.02
6. Step 6: Final answer
   x = 10,630.32