Finding the Fourth Proportional to 2,919.15, 4,376.96 and 1,164.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,919.15 : 4,376.96 = 1,164.42 : x
2. Step 2: Convert to fraction form
   2,919.15/4,376.96 = 1,164.42/x
3. Step 3: Cross multiply
   2,919.15x = 4,376.96 × 1,164.42
4. Step 4: Simplify right side
   2,919.15x = 5,096,619.76
5. Step 5: Solve for x
   x = 5,096,619.76/2,919.15
6. Step 6: Final answer
   x = 1,745.93