Finding the Fourth Proportional to 2,271.67, 3,405.34 and 1,038.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.67 : 3,405.34 = 1,038.34 : x
2. Step 2: Convert to fraction form
   2,271.67/3,405.34 = 1,038.34/x
3. Step 3: Cross multiply
   2,271.67x = 3,405.34 × 1,038.34
4. Step 4: Simplify right side
   2,271.67x = 3,535,900.74
5. Step 5: Solve for x
   x = 3,535,900.74/2,271.67
6. Step 6: Final answer
   x = 1,556.52