Finding the Fourth Proportional to 2,318.83, 3,196.26 and 1,820.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318.83 : 3,196.26 = 1,820.68 : x
2. Step 2: Convert to fraction form
   2,318.83/3,196.26 = 1,820.68/x
3. Step 3: Cross multiply
   2,318.83x = 3,196.26 × 1,820.68
4. Step 4: Simplify right side
   2,318.83x = 5,819,358.67
5. Step 5: Solve for x
   x = 5,819,358.67/2,318.83
6. Step 6: Final answer
   x = 2,509.61