Finding the Fourth Proportional to 13,336.83, 18,403.61 and 7,673.41

Step by Step Solution

1. Step 1: Write the proportion equation
   13,336.83 : 18,403.61 = 7,673.41 : x
2. Step 2: Convert to fraction form
   13,336.83/18,403.61 = 7,673.41/x
3. Step 3: Cross multiply
   13,336.83x = 18,403.61 × 7,673.41
4. Step 4: Simplify right side
   13,336.83x = 141,218,377.89
5. Step 5: Solve for x
   x = 141,218,377.89/13,336.83
6. Step 6: Final answer
   x = 10,588.60