Finding the Fourth Proportional to 1,401.23, 2,103.14 and 708.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.23 : 2,103.14 = 708.38 : x
2. Step 2: Convert to fraction form
   1,401.23/2,103.14 = 708.38/x
3. Step 3: Cross multiply
   1,401.23x = 2,103.14 × 708.38
4. Step 4: Simplify right side
   1,401.23x = 1,489,822.31
5. Step 5: Solve for x
   x = 1,489,822.31/1,401.23
6. Step 6: Final answer
   x = 1,063.22