Finding the Fourth Proportional to 1,890.53, 2,609.84 and 1,182.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.53 : 2,609.84 = 1,182.71 : x
2. Step 2: Convert to fraction form
   1,890.53/2,609.84 = 1,182.71/x
3. Step 3: Cross multiply
   1,890.53x = 2,609.84 × 1,182.71
4. Step 4: Simplify right side
   1,890.53x = 3,086,664.90
5. Step 5: Solve for x
   x = 3,086,664.90/1,890.53
6. Step 6: Final answer
   x = 1,632.70