Finding the Fourth Proportional to 14,196.75, 19,590.70 and 8,145.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,196.75 : 19,590.70 = 8,145.71 : x
2. Step 2: Convert to fraction form
   14,196.75/19,590.70 = 8,145.71/x
3. Step 3: Cross multiply
   14,196.75x = 19,590.70 × 8,145.71
4. Step 4: Simplify right side
   14,196.75x = 159,580,160.90
5. Step 5: Solve for x
   x = 159,580,160.90/14,196.75
6. Step 6: Final answer
   x = 11,240.61