Finding the Fourth Proportional to 1,401.71, 2,103.80 and 1,396.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.71 : 2,103.80 = 1,396.45 : x
2. Step 2: Convert to fraction form
   1,401.71/2,103.80 = 1,396.45/x
3. Step 3: Cross multiply
   1,401.71x = 2,103.80 × 1,396.45
4. Step 4: Simplify right side
   1,401.71x = 2,937,851.51
5. Step 5: Solve for x
   x = 2,937,851.51/1,401.71
6. Step 6: Final answer
   x = 2,095.91