Finding the Fourth Proportional to 2,097.32, 3,146.58 and 865.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.32 : 3,146.58 = 865.71 : x
2. Step 2: Convert to fraction form
   2,097.32/3,146.58 = 865.71/x
3. Step 3: Cross multiply
   2,097.32x = 3,146.58 × 865.71
4. Step 4: Simplify right side
   2,097.32x = 2,724,025.77
5. Step 5: Solve for x
   x = 2,724,025.77/2,097.32
6. Step 6: Final answer
   x = 1,298.82