Finding the Fourth Proportional to 1,420.67, 1,958.81 and 1,184.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420.67 : 1,958.81 = 1,184.96 : x
2. Step 2: Convert to fraction form
   1,420.67/1,958.81 = 1,184.96/x
3. Step 3: Cross multiply
   1,420.67x = 1,958.81 × 1,184.96
4. Step 4: Simplify right side
   1,420.67x = 2,321,119.36
5. Step 5: Solve for x
   x = 2,321,119.36/1,420.67
6. Step 6: Final answer
   x = 1,633.82