Finding the Fourth Proportional to 2,622.95, 3,619.70 and 1,443.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.95 : 3,619.70 = 1,443.99 : x
2. Step 2: Convert to fraction form
   2,622.95/3,619.70 = 1,443.99/x
3. Step 3: Cross multiply
   2,622.95x = 3,619.70 × 1,443.99
4. Step 4: Simplify right side
   2,622.95x = 5,226,803.38
5. Step 5: Solve for x
   x = 5,226,803.38/2,622.95
6. Step 6: Final answer
   x = 1,992.72