Finding the Fourth Proportional to 2,612.34, 3,914.83 and 1,442.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.34 : 3,914.83 = 1,442.87 : x
2. Step 2: Convert to fraction form
   2,612.34/3,914.83 = 1,442.87/x
3. Step 3: Cross multiply
   2,612.34x = 3,914.83 × 1,442.87
4. Step 4: Simplify right side
   2,612.34x = 5,648,598.68
5. Step 5: Solve for x
   x = 5,648,598.68/2,612.34
6. Step 6: Final answer
   x = 2,162.27