Finding the Fourth Proportional to 12,196.32, 18,294.41 and 3,876.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.32 : 18,294.41 = 3,876.15 : x
2. Step 2: Convert to fraction form
   12,196.32/18,294.41 = 3,876.15/x
3. Step 3: Cross multiply
   12,196.32x = 18,294.41 × 3,876.15
4. Step 4: Simplify right side
   12,196.32x = 70,911,857.94
5. Step 5: Solve for x
   x = 70,911,857.94/12,196.32
6. Step 6: Final answer
   x = 5,814.20