Finding the Fourth Proportional to 1,452.67, 1,991.62 and 1,426.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.67 : 1,991.62 = 1,426.38 : x
2. Step 2: Convert to fraction form
   1,452.67/1,991.62 = 1,426.38/x
3. Step 3: Cross multiply
   1,452.67x = 1,991.62 × 1,426.38
4. Step 4: Simplify right side
   1,452.67x = 2,840,801.25
5. Step 5: Solve for x
   x = 2,840,801.25/1,452.67
6. Step 6: Final answer
   x = 1,955.58