Finding the Fourth Proportional to 5,067.21, 7,603.89 and 2,145.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,067.21 : 7,603.89 = 2,145.52 : x
2. Step 2: Convert to fraction form
   5,067.21/7,603.89 = 2,145.52/x
3. Step 3: Cross multiply
   5,067.21x = 7,603.89 × 2,145.52
4. Step 4: Simplify right side
   5,067.21x = 16,314,298.07
5. Step 5: Solve for x
   x = 16,314,298.07/5,067.21
6. Step 6: Final answer
   x = 3,219.58