Finding the Fourth Proportional to 12,399.33, 17,111.13 and 6,734.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,399.33 : 17,111.13 = 6,734.10 : x
2. Step 2: Convert to fraction form
   12,399.33/17,111.13 = 6,734.10/x
3. Step 3: Cross multiply
   12,399.33x = 17,111.13 × 6,734.10
4. Step 4: Simplify right side
   12,399.33x = 115,228,060.53
5. Step 5: Solve for x
   x = 115,228,060.53/12,399.33
6. Step 6: Final answer
   x = 9,293.09