Finding the Fourth Proportional to 11,196.90, 16,795.28 and 3,405.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,196.90 : 16,795.28 = 3,405.71 : x
2. Step 2: Convert to fraction form
   11,196.90/16,795.28 = 3,405.71/x
3. Step 3: Cross multiply
   11,196.90x = 16,795.28 × 3,405.71
4. Step 4: Simplify right side
   11,196.90x = 57,199,752.04
5. Step 5: Solve for x
   x = 57,199,752.04/11,196.90
6. Step 6: Final answer
   x = 5,108.53