Finding the Fourth Proportional to 2,097.89, 3,146.68 and 848.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.89 : 3,146.68 = 848.57 : x
2. Step 2: Convert to fraction form
   2,097.89/3,146.68 = 848.57/x
3. Step 3: Cross multiply
   2,097.89x = 3,146.68 × 848.57
4. Step 4: Simplify right side
   2,097.89x = 2,670,178.25
5. Step 5: Solve for x
   x = 2,670,178.25/2,097.89
6. Step 6: Final answer
   x = 1,272.79