Finding the Fourth Proportional to 5,557.66, 8,325.15 and 3,603.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,557.66 : 8,325.15 = 3,603.94 : x
2. Step 2: Convert to fraction form
   5,557.66/8,325.15 = 3,603.94/x
3. Step 3: Cross multiply
   5,557.66x = 8,325.15 × 3,603.94
4. Step 4: Simplify right side
   5,557.66x = 30,003,341.09
5. Step 5: Solve for x
   x = 30,003,341.09/5,557.66
6. Step 6: Final answer
   x = 5,398.56