Finding the Fourth Proportional to 11,196.60, 16,798.32 and 3,405.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,196.60 : 16,798.32 = 3,405.48 : x
2. Step 2: Convert to fraction form
   11,196.60/16,798.32 = 3,405.48/x
3. Step 3: Cross multiply
   11,196.60x = 16,798.32 × 3,405.48
4. Step 4: Simplify right side
   11,196.60x = 57,206,342.79
5. Step 5: Solve for x
   x = 57,206,342.79/11,196.60
6. Step 6: Final answer
   x = 5,109.26