Finding the Fourth Proportional to 1,665.92, 2,499.45 and 741.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.92 : 2,499.45 = 741.56 : x
2. Step 2: Convert to fraction form
   1,665.92/2,499.45 = 741.56/x
3. Step 3: Cross multiply
   1,665.92x = 2,499.45 × 741.56
4. Step 4: Simplify right side
   1,665.92x = 1,853,479.64
5. Step 5: Solve for x
   x = 1,853,479.64/1,665.92
6. Step 6: Final answer
   x = 1,112.59