Finding the Fourth Proportional to 2,062.30, 2,846.25 and 1,223.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,062.30 : 2,846.25 = 1,223.74 : x
2. Step 2: Convert to fraction form
   2,062.30/2,846.25 = 1,223.74/x
3. Step 3: Cross multiply
   2,062.30x = 2,846.25 × 1,223.74
4. Step 4: Simplify right side
   2,062.30x = 3,483,069.98
5. Step 5: Solve for x
   x = 3,483,069.98/2,062.30
6. Step 6: Final answer
   x = 1,688.92