Finding the Fourth Proportional to 2,089.59, 3,134.37 and 628.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.59 : 3,134.37 = 628.71 : x
2. Step 2: Convert to fraction form
   2,089.59/3,134.37 = 628.71/x
3. Step 3: Cross multiply
   2,089.59x = 3,134.37 × 628.71
4. Step 4: Simplify right side
   2,089.59x = 1,970,609.76
5. Step 5: Solve for x
   x = 1,970,609.76/2,089.59
6. Step 6: Final answer
   x = 943.06