Finding the Fourth Proportional to 2,119.86, 3,165.32 and 1,870.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.86 : 3,165.32 = 1,870.97 : x
2. Step 2: Convert to fraction form
   2,119.86/3,165.32 = 1,870.97/x
3. Step 3: Cross multiply
   2,119.86x = 3,165.32 × 1,870.97
4. Step 4: Simplify right side
   2,119.86x = 5,922,207.61
5. Step 5: Solve for x
   x = 5,922,207.61/2,119.86
6. Step 6: Final answer
   x = 2,793.68