Finding the Fourth Proportional to 5,196.10, 7,789.51 and 2,272.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.10 : 7,789.51 = 2,272.09 : x
2. Step 2: Convert to fraction form
   5,196.10/7,789.51 = 2,272.09/x
3. Step 3: Cross multiply
   5,196.10x = 7,789.51 × 2,272.09
4. Step 4: Simplify right side
   5,196.10x = 17,698,467.78
5. Step 5: Solve for x
   x = 17,698,467.78/5,196.10
6. Step 6: Final answer
   x = 3,406.11