Finding the Fourth Proportional to 3,604.36, 5,404.86 and 1,872.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,604.36 : 5,404.86 = 1,872.52 : x
2. Step 2: Convert to fraction form
   3,604.36/5,404.86 = 1,872.52/x
3. Step 3: Cross multiply
   3,604.36x = 5,404.86 × 1,872.52
4. Step 4: Simplify right side
   3,604.36x = 10,120,708.45
5. Step 5: Solve for x
   x = 10,120,708.45/3,604.36
6. Step 6: Final answer
   x = 2,807.91