Finding the Fourth Proportional to 2,196.12, 3,029.28 and 1,357.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.12 : 3,029.28 = 1,357.08 : x
2. Step 2: Convert to fraction form
   2,196.12/3,029.28 = 1,357.08/x
3. Step 3: Cross multiply
   2,196.12x = 3,029.28 × 1,357.08
4. Step 4: Simplify right side
   2,196.12x = 4,110,975.30
5. Step 5: Solve for x
   x = 4,110,975.30/2,196.12
6. Step 6: Final answer
   x = 1,871.93