Finding the Fourth Proportional to 1,767.28, 2,436.28 and 1,269.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767.28 : 2,436.28 = 1,269.76 : x
2. Step 2: Convert to fraction form
   1,767.28/2,436.28 = 1,269.76/x
3. Step 3: Cross multiply
   1,767.28x = 2,436.28 × 1,269.76
4. Step 4: Simplify right side
   1,767.28x = 3,093,490.89
5. Step 5: Solve for x
   x = 3,093,490.89/1,767.28
6. Step 6: Final answer
   x = 1,750.42