Finding the Fourth Proportional to 1,844.73, 2,546.78 and 1,216.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,844.73 : 2,546.78 = 1,216.35 : x
2. Step 2: Convert to fraction form
   1,844.73/2,546.78 = 1,216.35/x
3. Step 3: Cross multiply
   1,844.73x = 2,546.78 × 1,216.35
4. Step 4: Simplify right side
   1,844.73x = 3,097,769.77
5. Step 5: Solve for x
   x = 3,097,769.77/1,844.73
6. Step 6: Final answer
   x = 1,679.25