Finding the Fourth Proportional to 2,510.21, 3,766.46 and 1,123.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.21 : 3,766.46 = 1,123.43 : x
2. Step 2: Convert to fraction form
   2,510.21/3,766.46 = 1,123.43/x
3. Step 3: Cross multiply
   2,510.21x = 3,766.46 × 1,123.43
4. Step 4: Simplify right side
   2,510.21x = 4,231,329.71
5. Step 5: Solve for x
   x = 4,231,329.71/2,510.21
6. Step 6: Final answer
   x = 1,685.65