Finding the Fourth Proportional to 2,395.08, 3,603.56 and 1,421.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,395.08 : 3,603.56 = 1,421.87 : x
2. Step 2: Convert to fraction form
   2,395.08/3,603.56 = 1,421.87/x
3. Step 3: Cross multiply
   2,395.08x = 3,603.56 × 1,421.87
4. Step 4: Simplify right side
   2,395.08x = 5,123,768.73
5. Step 5: Solve for x
   x = 5,123,768.73/2,395.08
6. Step 6: Final answer
   x = 2,139.29