Finding the Fourth Proportional to 2,488.53, 3,732.81 and 845.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.53 : 3,732.81 = 845.10 : x
2. Step 2: Convert to fraction form
   2,488.53/3,732.81 = 845.10/x
3. Step 3: Cross multiply
   2,488.53x = 3,732.81 × 845.10
4. Step 4: Simplify right side
   2,488.53x = 3,154,597.73
5. Step 5: Solve for x
   x = 3,154,597.73/2,488.53
6. Step 6: Final answer
   x = 1,267.66