Finding the Fourth Proportional to 1,845.87, 2,546.24 and 1,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,845.87 : 2,546.24 = 1,216.50 : x
2. Step 2: Convert to fraction form
   1,845.87/2,546.24 = 1,216.50/x
3. Step 3: Cross multiply
   1,845.87x = 2,546.24 × 1,216.50
4. Step 4: Simplify right side
   1,845.87x = 3,097,494.88
5. Step 5: Solve for x
   x = 3,097,494.88/1,845.87
6. Step 6: Final answer
   x = 1,678.07