Finding the Fourth Proportional to 2,778.81, 4,164.72 and 2,446.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,778.81 : 4,164.72 = 2,446.71 : x
2. Step 2: Convert to fraction form
   2,778.81/4,164.72 = 2,446.71/x
3. Step 3: Cross multiply
   2,778.81x = 4,164.72 × 2,446.71
4. Step 4: Simplify right side
   2,778.81x = 10,189,837.28
5. Step 5: Solve for x
   x = 10,189,837.28/2,778.81
6. Step 6: Final answer
   x = 3,666.98