Finding the Fourth Proportional to 2,196.08, 3,029.84 and 1,355.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.08 : 3,029.84 = 1,355.91 : x
2. Step 2: Convert to fraction form
   2,196.08/3,029.84 = 1,355.91/x
3. Step 3: Cross multiply
   2,196.08x = 3,029.84 × 1,355.91
4. Step 4: Simplify right side
   2,196.08x = 4,108,177.30
5. Step 5: Solve for x
   x = 4,108,177.30/2,196.08
6. Step 6: Final answer
   x = 1,870.69