Finding the Fourth Proportional to 2,187.56, 3,282.42 and 1,603.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.56 : 3,282.42 = 1,603.14 : x
2. Step 2: Convert to fraction form
   2,187.56/3,282.42 = 1,603.14/x
3. Step 3: Cross multiply
   2,187.56x = 3,282.42 × 1,603.14
4. Step 4: Simplify right side
   2,187.56x = 5,262,178.80
5. Step 5: Solve for x
   x = 5,262,178.80/2,187.56
6. Step 6: Final answer
   x = 2,405.51