Finding the Fourth Proportional to 2,214.86, 3,056.94 and 1,318.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.86 : 3,056.94 = 1,318.82 : x
2. Step 2: Convert to fraction form
   2,214.86/3,056.94 = 1,318.82/x
3. Step 3: Cross multiply
   2,214.86x = 3,056.94 × 1,318.82
4. Step 4: Simplify right side
   2,214.86x = 4,031,538.33
5. Step 5: Solve for x
   x = 4,031,538.33/2,214.86
6. Step 6: Final answer
   x = 1,820.23