Finding the Fourth Proportional to 3,408.72, 5,110.32 and 1,067.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,408.72 : 5,110.32 = 1,067.52 : x
2. Step 2: Convert to fraction form
   3,408.72/5,110.32 = 1,067.52/x
3. Step 3: Cross multiply
   3,408.72x = 5,110.32 × 1,067.52
4. Step 4: Simplify right side
   3,408.72x = 5,455,368.81
5. Step 5: Solve for x
   x = 5,455,368.81/3,408.72
6. Step 6: Final answer
   x = 1,600.42