Finding the Fourth Proportional to 2,417.16, 3,628.64 and 1,443.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,417.16 : 3,628.64 = 1,443.72 : x
2. Step 2: Convert to fraction form
   2,417.16/3,628.64 = 1,443.72/x
3. Step 3: Cross multiply
   2,417.16x = 3,628.64 × 1,443.72
4. Step 4: Simplify right side
   2,417.16x = 5,238,740.14
5. Step 5: Solve for x
   x = 5,238,740.14/2,417.16
6. Step 6: Final answer
   x = 2,167.31