Finding the Fourth Proportional to 1,401.27, 2,100.02 and 708.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.27 : 2,100.02 = 708.43 : x
2. Step 2: Convert to fraction form
   1,401.27/2,100.02 = 708.43/x
3. Step 3: Cross multiply
   1,401.27x = 2,100.02 × 708.43
4. Step 4: Simplify right side
   1,401.27x = 1,487,717.17
5. Step 5: Solve for x
   x = 1,487,717.17/1,401.27
6. Step 6: Final answer
   x = 1,061.69