Finding the Fourth Proportional to 1,966.83, 2,953.35 and 1,868.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,966.83 : 2,953.35 = 1,868.15 : x
2. Step 2: Convert to fraction form
   1,966.83/2,953.35 = 1,868.15/x
3. Step 3: Cross multiply
   1,966.83x = 2,953.35 × 1,868.15
4. Step 4: Simplify right side
   1,966.83x = 5,517,286.04
5. Step 5: Solve for x
   x = 5,517,286.04/1,966.83
6. Step 6: Final answer
   x = 2,805.17