Finding the Fourth Proportional to 2,019.08, 2,783.76 and 1,354.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.08 : 2,783.76 = 1,354.88 : x
2. Step 2: Convert to fraction form
   2,019.08/2,783.76 = 1,354.88/x
3. Step 3: Cross multiply
   2,019.08x = 2,783.76 × 1,354.88
4. Step 4: Simplify right side
   2,019.08x = 3,771,660.75
5. Step 5: Solve for x
   x = 3,771,660.75/2,019.08
6. Step 6: Final answer
   x = 1,868.01