Finding the Fourth Proportional to 2,624.78, 3,622.22 and 1,445.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.78 : 3,622.22 = 1,445.87 : x
2. Step 2: Convert to fraction form
   2,624.78/3,622.22 = 1,445.87/x
3. Step 3: Cross multiply
   2,624.78x = 3,622.22 × 1,445.87
4. Step 4: Simplify right side
   2,624.78x = 5,237,266.48
5. Step 5: Solve for x
   x = 5,237,266.48/2,624.78
6. Step 6: Final answer
   x = 1,995.31