Finding the Fourth Proportional to 1,180.49, 1,628.61 and 732.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.49 : 1,628.61 = 732.15 : x
2. Step 2: Convert to fraction form
   1,180.49/1,628.61 = 732.15/x
3. Step 3: Cross multiply
   1,180.49x = 1,628.61 × 732.15
4. Step 4: Simplify right side
   1,180.49x = 1,192,386.81
5. Step 5: Solve for x
   x = 1,192,386.81/1,180.49
6. Step 6: Final answer
   x = 1,010.08