Finding the Fourth Proportional to 3,196.71, 4,413 and 2,135.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.71 : 4,413 = 2,135.10 : x
2. Step 2: Convert to fraction form
   3,196.71/4,413 = 2,135.10/x
3. Step 3: Cross multiply
   3,196.71x = 4,413 × 2,135.10
4. Step 4: Simplify right side
   3,196.71x = 9,422,196.30
5. Step 5: Solve for x
   x = 9,422,196.30/3,196.71
6. Step 6: Final answer
   x = 2,947.47