Finding the Fourth Proportional to 11,973.29, 17,976.50 and 8,266.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,973.29 : 17,976.50 = 8,266.37 : x
2. Step 2: Convert to fraction form
   11,973.29/17,976.50 = 8,266.37/x
3. Step 3: Cross multiply
   11,973.29x = 17,976.50 × 8,266.37
4. Step 4: Simplify right side
   11,973.29x = 148,600,400.31
5. Step 5: Solve for x
   x = 148,600,400.31/11,973.29
6. Step 6: Final answer
   x = 12,410.99