Finding the Fourth Proportional to 2,920, 4,379.06 and 1,164.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,920 : 4,379.06 = 1,164.42 : x
2. Step 2: Convert to fraction form
   2,920/4,379.06 = 1,164.42/x
3. Step 3: Cross multiply
   2,920x = 4,379.06 × 1,164.42
4. Step 4: Simplify right side
   2,920x = 5,099,065.05
5. Step 5: Solve for x
   x = 5,099,065.05/2,920
6. Step 6: Final answer
   x = 1,746.26