Finding the Fourth Proportional to 1,974.10, 2,962.98 and 1,423.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,974.10 : 2,962.98 = 1,423.72 : x
2. Step 2: Convert to fraction form
   1,974.10/2,962.98 = 1,423.72/x
3. Step 3: Cross multiply
   1,974.10x = 2,962.98 × 1,423.72
4. Step 4: Simplify right side
   1,974.10x = 4,218,453.89
5. Step 5: Solve for x
   x = 4,218,453.89/1,974.10
6. Step 6: Final answer
   x = 2,136.90