Finding the Fourth Proportional to 13,196.19, 19,796.10 and 4,433.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.19 : 19,796.10 = 4,433.61 : x
2. Step 2: Convert to fraction form
   13,196.19/19,796.10 = 4,433.61/x
3. Step 3: Cross multiply
   13,196.19x = 19,796.10 × 4,433.61
4. Step 4: Simplify right side
   13,196.19x = 87,768,087.94
5. Step 5: Solve for x
   x = 87,768,087.94/13,196.19
6. Step 6: Final answer
   x = 6,651.02