Finding the Fourth Proportional to 1,423.37, 1,963.41 and 1,051.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.37 : 1,963.41 = 1,051.31 : x
2. Step 2: Convert to fraction form
   1,423.37/1,963.41 = 1,051.31/x
3. Step 3: Cross multiply
   1,423.37x = 1,963.41 × 1,051.31
4. Step 4: Simplify right side
   1,423.37x = 2,064,153.53
5. Step 5: Solve for x
   x = 2,064,153.53/1,423.37
6. Step 6: Final answer
   x = 1,450.19