Finding the Fourth Proportional to 1,977.05, 2,729.61 and 1,269.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977.05 : 2,729.61 = 1,269.16 : x
2. Step 2: Convert to fraction form
   1,977.05/2,729.61 = 1,269.16/x
3. Step 3: Cross multiply
   1,977.05x = 2,729.61 × 1,269.16
4. Step 4: Simplify right side
   1,977.05x = 3,464,291.83
5. Step 5: Solve for x
   x = 3,464,291.83/1,977.05
6. Step 6: Final answer
   x = 1,752.26