Finding the Fourth Proportional to 2,146.20, 2,962.68 and 1,401.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.20 : 2,962.68 = 1,401.60 : x
2. Step 2: Convert to fraction form
   2,146.20/2,962.68 = 1,401.60/x
3. Step 3: Cross multiply
   2,146.20x = 2,962.68 × 1,401.60
4. Step 4: Simplify right side
   2,146.20x = 4,152,492.29
5. Step 5: Solve for x
   x = 4,152,492.29/2,146.20
6. Step 6: Final answer
   x = 1,934.81