Finding the Fourth Proportional to 1,037.97, 1,423.10 and 1,019.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,037.97 : 1,423.10 = 1,019.52 : x
2. Step 2: Convert to fraction form
   1,037.97/1,423.10 = 1,019.52/x
3. Step 3: Cross multiply
   1,037.97x = 1,423.10 × 1,019.52
4. Step 4: Simplify right side
   1,037.97x = 1,450,881.46
5. Step 5: Solve for x
   x = 1,450,881.46/1,037.97
6. Step 6: Final answer
   x = 1,397.81