Finding the Fourth Proportional to 2,622.42, 3,617.80 and 1,573.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.42 : 3,617.80 = 1,573.88 : x
2. Step 2: Convert to fraction form
   2,622.42/3,617.80 = 1,573.88/x
3. Step 3: Cross multiply
   2,622.42x = 3,617.80 × 1,573.88
4. Step 4: Simplify right side
   2,622.42x = 5,693,961.04
5. Step 5: Solve for x
   x = 5,693,961.04/2,622.42
6. Step 6: Final answer
   x = 2,171.26