Finding the Fourth Proportional to 1,608.83, 2,416.34 and 1,427.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.83 : 2,416.34 = 1,427.79 : x
2. Step 2: Convert to fraction form
   1,608.83/2,416.34 = 1,427.79/x
3. Step 3: Cross multiply
   1,608.83x = 2,416.34 × 1,427.79
4. Step 4: Simplify right side
   1,608.83x = 3,450,018.95
5. Step 5: Solve for x
   x = 3,450,018.95/1,608.83
6. Step 6: Final answer
   x = 2,144.43