Finding the Fourth Proportional to 2,265.21, 3,123.78 and 1,767.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.21 : 3,123.78 = 1,767.68 : x
2. Step 2: Convert to fraction form
   2,265.21/3,123.78 = 1,767.68/x
3. Step 3: Cross multiply
   2,265.21x = 3,123.78 × 1,767.68
4. Step 4: Simplify right side
   2,265.21x = 5,521,827.81
5. Step 5: Solve for x
   x = 5,521,827.81/2,265.21
6. Step 6: Final answer
   x = 2,437.67