Finding the Fourth Proportional to 2,631.42, 3,631.43 and 1,582.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631.42 : 3,631.43 = 1,582.88 : x
2. Step 2: Convert to fraction form
   2,631.42/3,631.43 = 1,582.88/x
3. Step 3: Cross multiply
   2,631.42x = 3,631.43 × 1,582.88
4. Step 4: Simplify right side
   2,631.42x = 5,748,103.72
5. Step 5: Solve for x
   x = 5,748,103.72/2,631.42
6. Step 6: Final answer
   x = 2,184.41