Finding the Fourth Proportional to 1,423.53, 1,961.42 and 1,029.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.53 : 1,961.42 = 1,029.87 : x
2. Step 2: Convert to fraction form
   1,423.53/1,961.42 = 1,029.87/x
3. Step 3: Cross multiply
   1,423.53x = 1,961.42 × 1,029.87
4. Step 4: Simplify right side
   1,423.53x = 2,020,002.47
5. Step 5: Solve for x
   x = 2,020,002.47/1,423.53
6. Step 6: Final answer
   x = 1,419.01