Finding the Fourth Proportional to 1,262.42, 1,888.77 and 849.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262.42 : 1,888.77 = 849.59 : x
2. Step 2: Convert to fraction form
   1,262.42/1,888.77 = 849.59/x
3. Step 3: Cross multiply
   1,262.42x = 1,888.77 × 849.59
4. Step 4: Simplify right side
   1,262.42x = 1,604,680.10
5. Step 5: Solve for x
   x = 1,604,680.10/1,262.42
6. Step 6: Final answer
   x = 1,271.11