Finding the Fourth Proportional to 2,890.92, 3,987.72 and 1,843.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.92 : 3,987.72 = 1,843.59 : x
2. Step 2: Convert to fraction form
   2,890.92/3,987.72 = 1,843.59/x
3. Step 3: Cross multiply
   2,890.92x = 3,987.72 × 1,843.59
4. Step 4: Simplify right side
   2,890.92x = 7,351,720.71
5. Step 5: Solve for x
   x = 7,351,720.71/2,890.92
6. Step 6: Final answer
   x = 2,543.04