Finding the Fourth Proportional to 13,005.83, 17,930.18 and 8,223.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,005.83 : 17,930.18 = 8,223.38 : x
2. Step 2: Convert to fraction form
   13,005.83/17,930.18 = 8,223.38/x
3. Step 3: Cross multiply
   13,005.83x = 17,930.18 × 8,223.38
4. Step 4: Simplify right side
   13,005.83x = 147,446,683.61
5. Step 5: Solve for x
   x = 147,446,683.61/13,005.83
6. Step 6: Final answer
   x = 11,336.97