Finding the Fourth Proportional to 2,522.92, 3,783.18 and 1,290.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.92 : 3,783.18 = 1,290.76 : x
2. Step 2: Convert to fraction form
   2,522.92/3,783.18 = 1,290.76/x
3. Step 3: Cross multiply
   2,522.92x = 3,783.18 × 1,290.76
4. Step 4: Simplify right side
   2,522.92x = 4,883,177.42
5. Step 5: Solve for x
   x = 4,883,177.42/2,522.92
6. Step 6: Final answer
   x = 1,935.53