Finding the Fourth Proportional to 2,281.59, 3,421.78 and 1,048.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.59 : 3,421.78 = 1,048.37 : x
2. Step 2: Convert to fraction form
   2,281.59/3,421.78 = 1,048.37/x
3. Step 3: Cross multiply
   2,281.59x = 3,421.78 × 1,048.37
4. Step 4: Simplify right side
   2,281.59x = 3,587,271.77
5. Step 5: Solve for x
   x = 3,587,271.77/2,281.59
6. Step 6: Final answer
   x = 1,572.27