Finding the Fourth Proportional to 2,115.86, 2,919.89 and 1,184.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115.86 : 2,919.89 = 1,184.36 : x
2. Step 2: Convert to fraction form
   2,115.86/2,919.89 = 1,184.36/x
3. Step 3: Cross multiply
   2,115.86x = 2,919.89 × 1,184.36
4. Step 4: Simplify right side
   2,115.86x = 3,458,200.92
5. Step 5: Solve for x
   x = 3,458,200.92/2,115.86
6. Step 6: Final answer
   x = 1,634.42