Finding the Fourth Proportional to 13,498.59, 18,628.35 and 8,192.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.59 : 18,628.35 = 8,192.82 : x
2. Step 2: Convert to fraction form
   13,498.59/18,628.35 = 8,192.82/x
3. Step 3: Cross multiply
   13,498.59x = 18,628.35 × 8,192.82
4. Step 4: Simplify right side
   13,498.59x = 152,618,718.45
5. Step 5: Solve for x
   x = 152,618,718.45/13,498.59
6. Step 6: Final answer
   x = 11,306.27