Finding the Fourth Proportional to 1,404.24, 2,107.20 and 1,294.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.24 : 2,107.20 = 1,294.08 : x
2. Step 2: Convert to fraction form
   1,404.24/2,107.20 = 1,294.08/x
3. Step 3: Cross multiply
   1,404.24x = 2,107.20 × 1,294.08
4. Step 4: Simplify right side
   1,404.24x = 2,726,885.38
5. Step 5: Solve for x
   x = 2,726,885.38/1,404.24
6. Step 6: Final answer
   x = 1,941.89