Finding the Fourth Proportional to 2,123.33, 3,191.13 and 1,975.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.33 : 3,191.13 = 1,975.68 : x
2. Step 2: Convert to fraction form
   2,123.33/3,191.13 = 1,975.68/x
3. Step 3: Cross multiply
   2,123.33x = 3,191.13 × 1,975.68
4. Step 4: Simplify right side
   2,123.33x = 6,304,651.72
5. Step 5: Solve for x
   x = 6,304,651.72/2,123.33
6. Step 6: Final answer
   x = 2,969.24