Finding the Fourth Proportional to 2,282.40, 3,420.86 and 1,048.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.40 : 3,420.86 = 1,048.10 : x
2. Step 2: Convert to fraction form
   2,282.40/3,420.86 = 1,048.10/x
3. Step 3: Cross multiply
   2,282.40x = 3,420.86 × 1,048.10
4. Step 4: Simplify right side
   2,282.40x = 3,585,381.02
5. Step 5: Solve for x
   x = 3,585,381.02/2,282.40
6. Step 6: Final answer
   x = 1,570.88