Finding the Fourth Proportional to 13,404.30, 18,488.70 and 8,092.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.30 : 18,488.70 = 8,092.32 : x
2. Step 2: Convert to fraction form
   13,404.30/18,488.70 = 8,092.32/x
3. Step 3: Cross multiply
   13,404.30x = 18,488.70 × 8,092.32
4. Step 4: Simplify right side
   13,404.30x = 149,616,476.78
5. Step 5: Solve for x
   x = 149,616,476.78/13,404.30
6. Step 6: Final answer
   x = 11,161.83