Finding the Fourth Proportional to 2,443.38, 3,371.64 and 1,558.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.38 : 3,371.64 = 1,558.86 : x
2. Step 2: Convert to fraction form
   2,443.38/3,371.64 = 1,558.86/x
3. Step 3: Cross multiply
   2,443.38x = 3,371.64 × 1,558.86
4. Step 4: Simplify right side
   2,443.38x = 5,255,914.73
5. Step 5: Solve for x
   x = 5,255,914.73/2,443.38
6. Step 6: Final answer
   x = 2,151.08