Finding the Fourth Proportional to 2,622.76, 3,617.69 and 1,574.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.76 : 3,617.69 = 1,574.82 : x
2. Step 2: Convert to fraction form
   2,622.76/3,617.69 = 1,574.82/x
3. Step 3: Cross multiply
   2,622.76x = 3,617.69 × 1,574.82
4. Step 4: Simplify right side
   2,622.76x = 5,697,210.57
5. Step 5: Solve for x
   x = 5,697,210.57/2,622.76
6. Step 6: Final answer
   x = 2,172.22