Finding the Fourth Proportional to 2,019.96, 2,788.62 and 1,617.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.96 : 2,788.62 = 1,617.24 : x
2. Step 2: Convert to fraction form
   2,019.96/2,788.62 = 1,617.24/x
3. Step 3: Cross multiply
   2,019.96x = 2,788.62 × 1,617.24
4. Step 4: Simplify right side
   2,019.96x = 4,509,867.81
5. Step 5: Solve for x
   x = 4,509,867.81/2,019.96
6. Step 6: Final answer
   x = 2,232.65