Finding the Fourth Proportional to 1,494.89, 2,238.86 and 1,442.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.89 : 2,238.86 = 1,442.98 : x
2. Step 2: Convert to fraction form
   1,494.89/2,238.86 = 1,442.98/x
3. Step 3: Cross multiply
   1,494.89x = 2,238.86 × 1,442.98
4. Step 4: Simplify right side
   1,494.89x = 3,230,628.49
5. Step 5: Solve for x
   x = 3,230,628.49/1,494.89
6. Step 6: Final answer
   x = 2,161.12