Finding the Fourth Proportional to 2,157.30, 3,227.72 and 1,184.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.30 : 3,227.72 = 1,184.09 : x
2. Step 2: Convert to fraction form
   2,157.30/3,227.72 = 1,184.09/x
3. Step 3: Cross multiply
   2,157.30x = 3,227.72 × 1,184.09
4. Step 4: Simplify right side
   2,157.30x = 3,821,888.92
5. Step 5: Solve for x
   x = 3,821,888.92/2,157.30
6. Step 6: Final answer
   x = 1,771.61