Finding the Fourth Proportional to 4,215.60, 6,323.42 and 1,716.83

Step by Step Solution

1. Step 1: Write the proportion equation
   4,215.60 : 6,323.42 = 1,716.83 : x
2. Step 2: Convert to fraction form
   4,215.60/6,323.42 = 1,716.83/x
3. Step 3: Cross multiply
   4,215.60x = 6,323.42 × 1,716.83
4. Step 4: Simplify right side
   4,215.60x = 10,856,196.96
5. Step 5: Solve for x
   x = 10,856,196.96/4,215.60
6. Step 6: Final answer
   x = 2,575.25