Finding the Fourth Proportional to 13,196.51, 19,796.07 and 3,836.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.51 : 19,796.07 = 3,836.61 : x
2. Step 2: Convert to fraction form
   13,196.51/19,796.07 = 3,836.61/x
3. Step 3: Cross multiply
   13,196.51x = 19,796.07 × 3,836.61
4. Step 4: Simplify right side
   13,196.51x = 75,949,800.12
5. Step 5: Solve for x
   x = 75,949,800.12/13,196.51
6. Step 6: Final answer
   x = 5,755.29