Finding the Fourth Proportional to 3,665.21, 5,499.98 and 1,358.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.21 : 5,499.98 = 1,358.33 : x
2. Step 2: Convert to fraction form
   3,665.21/5,499.98 = 1,358.33/x
3. Step 3: Cross multiply
   3,665.21x = 5,499.98 × 1,358.33
4. Step 4: Simplify right side
   3,665.21x = 7,470,787.83
5. Step 5: Solve for x
   x = 7,470,787.83/3,665.21
6. Step 6: Final answer
   x = 2,038.30