Finding the Fourth Proportional to 1,441.05, 1,987.29 and 1,333.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.05 : 1,987.29 = 1,333.67 : x
2. Step 2: Convert to fraction form
   1,441.05/1,987.29 = 1,333.67/x
3. Step 3: Cross multiply
   1,441.05x = 1,987.29 × 1,333.67
4. Step 4: Simplify right side
   1,441.05x = 2,650,379.12
5. Step 5: Solve for x
   x = 2,650,379.12/1,441.05
6. Step 6: Final answer
   x = 1,839.20