Finding the Fourth Proportional to 12,384.07, 17,103.50 and 8,411.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.07 : 17,103.50 = 8,411.83 : x
2. Step 2: Convert to fraction form
   12,384.07/17,103.50 = 8,411.83/x
3. Step 3: Cross multiply
   12,384.07x = 17,103.50 × 8,411.83
4. Step 4: Simplify right side
   12,384.07x = 143,871,734.41
5. Step 5: Solve for x
   x = 143,871,734.41/12,384.07
6. Step 6: Final answer
   x = 11,617.48