Finding the Fourth Proportional to 2,059.55, 2,841.37 and 1,272.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.55 : 2,841.37 = 1,272.23 : x
2. Step 2: Convert to fraction form
   2,059.55/2,841.37 = 1,272.23/x
3. Step 3: Cross multiply
   2,059.55x = 2,841.37 × 1,272.23
4. Step 4: Simplify right side
   2,059.55x = 3,614,876.16
5. Step 5: Solve for x
   x = 3,614,876.16/2,059.55
6. Step 6: Final answer
   x = 1,755.18