Finding the Fourth Proportional to 1,401.40, 2,103.45 and 1,196.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.40 : 2,103.45 = 1,196.20 : x
2. Step 2: Convert to fraction form
   1,401.40/2,103.45 = 1,196.20/x
3. Step 3: Cross multiply
   1,401.40x = 2,103.45 × 1,196.20
4. Step 4: Simplify right side
   1,401.40x = 2,516,146.89
5. Step 5: Solve for x
   x = 2,516,146.89/1,401.40
6. Step 6: Final answer
   x = 1,795.45