Finding the Fourth Proportional to 13,835.82, 19,095.57 and 8,171.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,835.82 : 19,095.57 = 8,171.18 : x
2. Step 2: Convert to fraction form
   13,835.82/19,095.57 = 8,171.18/x
3. Step 3: Cross multiply
   13,835.82x = 19,095.57 × 8,171.18
4. Step 4: Simplify right side
   13,835.82x = 156,033,339.67
5. Step 5: Solve for x
   x = 156,033,339.67/13,835.82
6. Step 6: Final answer
   x = 11,277.49