Finding the Fourth Proportional to 2,196.34, 3,279.47 and 1,871.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.34 : 3,279.47 = 1,871.54 : x
2. Step 2: Convert to fraction form
   2,196.34/3,279.47 = 1,871.54/x
3. Step 3: Cross multiply
   2,196.34x = 3,279.47 × 1,871.54
4. Step 4: Simplify right side
   2,196.34x = 6,137,649.93
5. Step 5: Solve for x
   x = 6,137,649.93/2,196.34
6. Step 6: Final answer
   x = 2,794.49