Finding the Fourth Proportional to 1,412.72, 1,945.32 and 1,179.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.72 : 1,945.32 = 1,179.44 : x
2. Step 2: Convert to fraction form
   1,412.72/1,945.32 = 1,179.44/x
3. Step 3: Cross multiply
   1,412.72x = 1,945.32 × 1,179.44
4. Step 4: Simplify right side
   1,412.72x = 2,294,388.22
5. Step 5: Solve for x
   x = 2,294,388.22/1,412.72
6. Step 6: Final answer
   x = 1,624.09