Finding the Fourth Proportional to 1,715.42, 2,571.86 and 849.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.42 : 2,571.86 = 849.54 : x
2. Step 2: Convert to fraction form
   1,715.42/2,571.86 = 849.54/x
3. Step 3: Cross multiply
   1,715.42x = 2,571.86 × 849.54
4. Step 4: Simplify right side
   1,715.42x = 2,184,897.94
5. Step 5: Solve for x
   x = 2,184,897.94/1,715.42
6. Step 6: Final answer
   x = 1,273.68