Finding the Fourth Proportional to 2,104.21, 3,156.36 and 1,007.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.21 : 3,156.36 = 1,007.37 : x
2. Step 2: Convert to fraction form
   2,104.21/3,156.36 = 1,007.37/x
3. Step 3: Cross multiply
   2,104.21x = 3,156.36 × 1,007.37
4. Step 4: Simplify right side
   2,104.21x = 3,179,622.37
5. Step 5: Solve for x
   x = 3,179,622.37/2,104.21
6. Step 6: Final answer
   x = 1,511.08