Finding the Fourth Proportional to 1,445.23, 2,164.60 and 1,119.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.23 : 2,164.60 = 1,119.61 : x
2. Step 2: Convert to fraction form
   1,445.23/2,164.60 = 1,119.61/x
3. Step 3: Cross multiply
   1,445.23x = 2,164.60 × 1,119.61
4. Step 4: Simplify right side
   1,445.23x = 2,423,491.38
5. Step 5: Solve for x
   x = 2,423,491.38/1,445.23
6. Step 6: Final answer
   x = 1,676.90