Finding the Fourth Proportional to 1,683.38, 2,322.71 and 975.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,683.38 : 2,322.71 = 975.18 : x
2. Step 2: Convert to fraction form
   1,683.38/2,322.71 = 975.18/x
3. Step 3: Cross multiply
   1,683.38x = 2,322.71 × 975.18
4. Step 4: Simplify right side
   1,683.38x = 2,265,046.75
5. Step 5: Solve for x
   x = 2,265,046.75/1,683.38
6. Step 6: Final answer
   x = 1,345.54