Finding the Fourth Proportional to 1,176.82, 1,623.83 and 672.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,176.82 : 1,623.83 = 672.58 : x
2. Step 2: Convert to fraction form
   1,176.82/1,623.83 = 672.58/x
3. Step 3: Cross multiply
   1,176.82x = 1,623.83 × 672.58
4. Step 4: Simplify right side
   1,176.82x = 1,092,152.22
5. Step 5: Solve for x
   x = 1,092,152.22/1,176.82
6. Step 6: Final answer
   x = 928.06