Finding the Fourth Proportional to 1,608.10, 2,411.78 and 741.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.10 : 2,411.78 = 741.58 : x
2. Step 2: Convert to fraction form
   1,608.10/2,411.78 = 741.58/x
3. Step 3: Cross multiply
   1,608.10x = 2,411.78 × 741.58
4. Step 4: Simplify right side
   1,608.10x = 1,788,527.81
5. Step 5: Solve for x
   x = 1,788,527.81/1,608.10
6. Step 6: Final answer
   x = 1,112.20