Finding the Fourth Proportional to 1,486.42, 2,049.89 and 1,276.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,486.42 : 2,049.89 = 1,276.52 : x
2. Step 2: Convert to fraction form
   1,486.42/2,049.89 = 1,276.52/x
3. Step 3: Cross multiply
   1,486.42x = 2,049.89 × 1,276.52
4. Step 4: Simplify right side
   1,486.42x = 2,616,733.90
5. Step 5: Solve for x
   x = 2,616,733.90/1,486.42
6. Step 6: Final answer
   x = 1,760.43