Finding the Fourth Proportional to 1,180.04, 1,628.52 and 656.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.04 : 1,628.52 = 656.12 : x
2. Step 2: Convert to fraction form
   1,180.04/1,628.52 = 656.12/x
3. Step 3: Cross multiply
   1,180.04x = 1,628.52 × 656.12
4. Step 4: Simplify right side
   1,180.04x = 1,068,504.54
5. Step 5: Solve for x
   x = 1,068,504.54/1,180.04
6. Step 6: Final answer
   x = 905.48