Finding the Fourth Proportional to 2,620.93, 3,929.48 and 1,233.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.93 : 3,929.48 = 1,233.49 : x
2. Step 2: Convert to fraction form
   2,620.93/3,929.48 = 1,233.49/x
3. Step 3: Cross multiply
   2,620.93x = 3,929.48 × 1,233.49
4. Step 4: Simplify right side
   2,620.93x = 4,846,978.42
5. Step 5: Solve for x
   x = 4,846,978.42/2,620.93
6. Step 6: Final answer
   x = 1,849.34