Finding the Fourth Proportional to 13,411.04, 18,507.72 and 8,104.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,411.04 : 18,507.72 = 8,104.84 : x
2. Step 2: Convert to fraction form
   13,411.04/18,507.72 = 8,104.84/x
3. Step 3: Cross multiply
   13,411.04x = 18,507.72 × 8,104.84
4. Step 4: Simplify right side
   13,411.04x = 150,002,109.36
5. Step 5: Solve for x
   x = 150,002,109.36/13,411.04
6. Step 6: Final answer
   x = 11,184.97