Finding the Fourth Proportional to 2,610.44, 3,914.72 and 1,223.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.44 : 3,914.72 = 1,223.54 : x
2. Step 2: Convert to fraction form
   2,610.44/3,914.72 = 1,223.54/x
3. Step 3: Cross multiply
   2,610.44x = 3,914.72 × 1,223.54
4. Step 4: Simplify right side
   2,610.44x = 4,789,816.51
5. Step 5: Solve for x
   x = 4,789,816.51/2,610.44
6. Step 6: Final answer
   x = 1,834.87