Finding the Fourth Proportional to 2,064.42, 2,849.22 and 1,318.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.42 : 2,849.22 = 1,318.88 : x
2. Step 2: Convert to fraction form
   2,064.42/2,849.22 = 1,318.88/x
3. Step 3: Cross multiply
   2,064.42x = 2,849.22 × 1,318.88
4. Step 4: Simplify right side
   2,064.42x = 3,757,770.77
5. Step 5: Solve for x
   x = 3,757,770.77/2,064.42
6. Step 6: Final answer
   x = 1,820.25