Finding the Fourth Proportional to 2,182.55, 3,004.36 and 1,898.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.55 : 3,004.36 = 1,898.78 : x
2. Step 2: Convert to fraction form
   2,182.55/3,004.36 = 1,898.78/x
3. Step 3: Cross multiply
   2,182.55x = 3,004.36 × 1,898.78
4. Step 4: Simplify right side
   2,182.55x = 5,704,598.91
5. Step 5: Solve for x
   x = 5,704,598.91/2,182.55
6. Step 6: Final answer
   x = 2,613.74