Finding the Fourth Proportional to 2,227.64, 3,075.30 and 1,729.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.64 : 3,075.30 = 1,729.22 : x
2. Step 2: Convert to fraction form
   2,227.64/3,075.30 = 1,729.22/x
3. Step 3: Cross multiply
   2,227.64x = 3,075.30 × 1,729.22
4. Step 4: Simplify right side
   2,227.64x = 5,317,854.89
5. Step 5: Solve for x
   x = 5,317,854.89/2,227.64
6. Step 6: Final answer
   x = 2,387.22