Finding the Fourth Proportional to 2,622.30, 3,619.17 and 1,574.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.30 : 3,619.17 = 1,574.94 : x
2. Step 2: Convert to fraction form
   2,622.30/3,619.17 = 1,574.94/x
3. Step 3: Cross multiply
   2,622.30x = 3,619.17 × 1,574.94
4. Step 4: Simplify right side
   2,622.30x = 5,699,975.60
5. Step 5: Solve for x
   x = 5,699,975.60/2,622.30
6. Step 6: Final answer
   x = 2,173.66