Finding the Fourth Proportional to 2,191.83, 3,018.13 and 1,874.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.83 : 3,018.13 = 1,874.71 : x
2. Step 2: Convert to fraction form
   2,191.83/3,018.13 = 1,874.71/x
3. Step 3: Cross multiply
   2,191.83x = 3,018.13 × 1,874.71
4. Step 4: Simplify right side
   2,191.83x = 5,658,118.49
5. Step 5: Solve for x
   x = 5,658,118.49/2,191.83
6. Step 6: Final answer
   x = 2,581.46