Finding the Fourth Proportional to 13,397.49, 18,488.52 and 8,091.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,397.49 : 18,488.52 = 8,091.27 : x
2. Step 2: Convert to fraction form
   13,397.49/18,488.52 = 8,091.27/x
3. Step 3: Cross multiply
   13,397.49x = 18,488.52 × 8,091.27
4. Step 4: Simplify right side
   13,397.49x = 149,595,607.22
5. Step 5: Solve for x
   x = 149,595,607.22/13,397.49
6. Step 6: Final answer
   x = 11,165.94