Finding the Fourth Proportional to 1,180.05, 1,628.37 and 656.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.05 : 1,628.37 = 656.07 : x
2. Step 2: Convert to fraction form
   1,180.05/1,628.37 = 656.07/x
3. Step 3: Cross multiply
   1,180.05x = 1,628.37 × 656.07
4. Step 4: Simplify right side
   1,180.05x = 1,068,324.71
5. Step 5: Solve for x
   x = 1,068,324.71/1,180.05
6. Step 6: Final answer
   x = 905.32