Finding the Fourth Proportional to 2,610.95, 3,914.23 and 1,223.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.95 : 3,914.23 = 1,223.56 : x
2. Step 2: Convert to fraction form
   2,610.95/3,914.23 = 1,223.56/x
3. Step 3: Cross multiply
   2,610.95x = 3,914.23 × 1,223.56
4. Step 4: Simplify right side
   2,610.95x = 4,789,275.69
5. Step 5: Solve for x
   x = 4,789,275.69/2,610.95
6. Step 6: Final answer
   x = 1,834.30