Finding the Fourth Proportional to 13,498.94, 18,623.59 and 8,463.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.94 : 18,623.59 = 8,463.38 : x
2. Step 2: Convert to fraction form
   13,498.94/18,623.59 = 8,463.38/x
3. Step 3: Cross multiply
   13,498.94x = 18,623.59 × 8,463.38
4. Step 4: Simplify right side
   13,498.94x = 157,618,404.86
5. Step 5: Solve for x
   x = 157,618,404.86/13,498.94
6. Step 6: Final answer
   x = 11,676.35