Finding the Fourth Proportional to 1,180.22, 1,628.61 and 656.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.22 : 1,628.61 = 656.27 : x
2. Step 2: Convert to fraction form
   1,180.22/1,628.61 = 656.27/x
3. Step 3: Cross multiply
   1,180.22x = 1,628.61 × 656.27
4. Step 4: Simplify right side
   1,180.22x = 1,068,807.88
5. Step 5: Solve for x
   x = 1,068,807.88/1,180.22
6. Step 6: Final answer
   x = 905.60