Finding the Fourth Proportional to 1,683.11, 2,322.82 and 975.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,683.11 : 2,322.82 = 975.15 : x
2. Step 2: Convert to fraction form
   1,683.11/2,322.82 = 975.15/x
3. Step 3: Cross multiply
   1,683.11x = 2,322.82 × 975.15
4. Step 4: Simplify right side
   1,683.11x = 2,265,081.43
5. Step 5: Solve for x
   x = 2,265,081.43/1,683.11
6. Step 6: Final answer
   x = 1,345.77