Finding the Fourth Proportional to 2,520.84, 3,782.28 and 1,133.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.84 : 3,782.28 = 1,133.21 : x
2. Step 2: Convert to fraction form
   2,520.84/3,782.28 = 1,133.21/x
3. Step 3: Cross multiply
   2,520.84x = 3,782.28 × 1,133.21
4. Step 4: Simplify right side
   2,520.84x = 4,286,098.61
5. Step 5: Solve for x
   x = 4,286,098.61/2,520.84
6. Step 6: Final answer
   x = 1,700.27