Finding the Fourth Proportional to 2,124.32, 3,181.01 and 1,198.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.32 : 3,181.01 = 1,198.49 : x
2. Step 2: Convert to fraction form
   2,124.32/3,181.01 = 1,198.49/x
3. Step 3: Cross multiply
   2,124.32x = 3,181.01 × 1,198.49
4. Step 4: Simplify right side
   2,124.32x = 3,812,386.78
5. Step 5: Solve for x
   x = 3,812,386.78/2,124.32
6. Step 6: Final answer
   x = 1,794.64