Finding the Fourth Proportional to 2,038.47, 2,812.73 and 1,281.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.47 : 2,812.73 = 1,281.83 : x
2. Step 2: Convert to fraction form
   2,038.47/2,812.73 = 1,281.83/x
3. Step 3: Cross multiply
   2,038.47x = 2,812.73 × 1,281.83
4. Step 4: Simplify right side
   2,038.47x = 3,605,421.22
5. Step 5: Solve for x
   x = 3,605,421.22/2,038.47
6. Step 6: Final answer
   x = 1,768.69