Finding the Fourth Proportional to 2,256.82, 3,384.01 and 1,007.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.82 : 3,384.01 = 1,007.80 : x
2. Step 2: Convert to fraction form
   2,256.82/3,384.01 = 1,007.80/x
3. Step 3: Cross multiply
   2,256.82x = 3,384.01 × 1,007.80
4. Step 4: Simplify right side
   2,256.82x = 3,410,405.28
5. Step 5: Solve for x
   x = 3,410,405.28/2,256.82
6. Step 6: Final answer
   x = 1,511.16