Finding the Fourth Proportional to 1,179.72, 1,628.03 and 655.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179.72 : 1,628.03 = 655.79 : x
2. Step 2: Convert to fraction form
   1,179.72/1,628.03 = 655.79/x
3. Step 3: Cross multiply
   1,179.72x = 1,628.03 × 655.79
4. Step 4: Simplify right side
   1,179.72x = 1,067,639.29
5. Step 5: Solve for x
   x = 1,067,639.29/1,179.72
6. Step 6: Final answer
   x = 904.99