Finding the Fourth Proportional to 1,967.75, 2,715.39 and 1,269.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.75 : 2,715.39 = 1,269.12 : x
2. Step 2: Convert to fraction form
   1,967.75/2,715.39 = 1,269.12/x
3. Step 3: Cross multiply
   1,967.75x = 2,715.39 × 1,269.12
4. Step 4: Simplify right side
   1,967.75x = 3,446,155.76
5. Step 5: Solve for x
   x = 3,446,155.76/1,967.75
6. Step 6: Final answer
   x = 1,751.32