Finding the Fourth Proportional to 2,318.96, 3,196.68 and 1,820.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318.96 : 3,196.68 = 1,820.48 : x
2. Step 2: Convert to fraction form
   2,318.96/3,196.68 = 1,820.48/x
3. Step 3: Cross multiply
   2,318.96x = 3,196.68 × 1,820.48
4. Step 4: Simplify right side
   2,318.96x = 5,819,492.01
5. Step 5: Solve for x
   x = 5,819,492.01/2,318.96
6. Step 6: Final answer
   x = 2,509.53