Finding the Fourth Proportional to 2,919.10, 4,376.18 and 1,358.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,919.10 : 4,376.18 = 1,358.30 : x
2. Step 2: Convert to fraction form
   2,919.10/4,376.18 = 1,358.30/x
3. Step 3: Cross multiply
   2,919.10x = 4,376.18 × 1,358.30
4. Step 4: Simplify right side
   2,919.10x = 5,944,179.63
5. Step 5: Solve for x
   x = 5,944,179.63/2,919.10
6. Step 6: Final answer
   x = 2,036.31