Finding the Fourth Proportional to 1,568.34, 2,164.32 and 971.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,568.34 : 2,164.32 = 971.46 : x
2. Step 2: Convert to fraction form
   1,568.34/2,164.32 = 971.46/x
3. Step 3: Cross multiply
   1,568.34x = 2,164.32 × 971.46
4. Step 4: Simplify right side
   1,568.34x = 2,102,550.31
5. Step 5: Solve for x
   x = 2,102,550.31/1,568.34
6. Step 6: Final answer
   x = 1,340.62