Finding the Fourth Proportional to 1,665.94, 2,499.90 and 741.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.94 : 2,499.90 = 741.55 : x
2. Step 2: Convert to fraction form
   1,665.94/2,499.90 = 741.55/x
3. Step 3: Cross multiply
   1,665.94x = 2,499.90 × 741.55
4. Step 4: Simplify right side
   1,665.94x = 1,853,800.85
5. Step 5: Solve for x
   x = 1,853,800.85/1,665.94
6. Step 6: Final answer
   x = 1,112.77