Finding the Fourth Proportional to 2,604.96, 3,906.03 and 1,142.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.96 : 3,906.03 = 1,142.40 : x
2. Step 2: Convert to fraction form
   2,604.96/3,906.03 = 1,142.40/x
3. Step 3: Cross multiply
   2,604.96x = 3,906.03 × 1,142.40
4. Step 4: Simplify right side
   2,604.96x = 4,462,248.67
5. Step 5: Solve for x
   x = 4,462,248.67/2,604.96
6. Step 6: Final answer
   x = 1,712.98