Finding the Fourth Proportional to 3,214.18, 4,435.89 and 1,817.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,214.18 : 4,435.89 = 1,817.38 : x
2. Step 2: Convert to fraction form
   3,214.18/4,435.89 = 1,817.38/x
3. Step 3: Cross multiply
   3,214.18x = 4,435.89 × 1,817.38
4. Step 4: Simplify right side
   3,214.18x = 8,061,697.77
5. Step 5: Solve for x
   x = 8,061,697.77/3,214.18
6. Step 6: Final answer
   x = 2,508.17