Finding the Fourth Proportional to 2,624.78, 3,622.15 and 1,445.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.78 : 3,622.15 = 1,445.83 : x
2. Step 2: Convert to fraction form
   2,624.78/3,622.15 = 1,445.83/x
3. Step 3: Cross multiply
   2,624.78x = 3,622.15 × 1,445.83
4. Step 4: Simplify right side
   2,624.78x = 5,237,000.46
5. Step 5: Solve for x
   x = 5,237,000.46/2,624.78
6. Step 6: Final answer
   x = 1,995.21