Finding the Fourth Proportional to 2,055.30, 2,835.98 and 1,269.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.30 : 2,835.98 = 1,269.60 : x
2. Step 2: Convert to fraction form
   2,055.30/2,835.98 = 1,269.60/x
3. Step 3: Cross multiply
   2,055.30x = 2,835.98 × 1,269.60
4. Step 4: Simplify right side
   2,055.30x = 3,600,560.21
5. Step 5: Solve for x
   x = 3,600,560.21/2,055.30
6. Step 6: Final answer
   x = 1,751.84