Finding the Fourth Proportional to 2,284.21, 3,152.33 and 1,276.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.21 : 3,152.33 = 1,276.03 : x
2. Step 2: Convert to fraction form
   2,284.21/3,152.33 = 1,276.03/x
3. Step 3: Cross multiply
   2,284.21x = 3,152.33 × 1,276.03
4. Step 4: Simplify right side
   2,284.21x = 4,022,467.65
5. Step 5: Solve for x
   x = 4,022,467.65/2,284.21
6. Step 6: Final answer
   x = 1,760.99