Finding the Fourth Proportional to 1,719.49, 2,370.73 and 1,404.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.49 : 2,370.73 = 1,404.40 : x
2. Step 2: Convert to fraction form
   1,719.49/2,370.73 = 1,404.40/x
3. Step 3: Cross multiply
   1,719.49x = 2,370.73 × 1,404.40
4. Step 4: Simplify right side
   1,719.49x = 3,329,453.21
5. Step 5: Solve for x
   x = 3,329,453.21/1,719.49
6. Step 6: Final answer
   x = 1,936.30