Finding the Fourth Proportional to 2,488.96, 3,733.79 and 845.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.96 : 3,733.79 = 845.07 : x
2. Step 2: Convert to fraction form
   2,488.96/3,733.79 = 845.07/x
3. Step 3: Cross multiply
   2,488.96x = 3,733.79 × 845.07
4. Step 4: Simplify right side
   2,488.96x = 3,155,295.69
5. Step 5: Solve for x
   x = 3,155,295.69/2,488.96
6. Step 6: Final answer
   x = 1,267.72