Finding the Fourth Proportional to 1,176.79, 1,623.69 and 672.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,176.79 : 1,623.69 = 672.52 : x
2. Step 2: Convert to fraction form
   1,176.79/1,623.69 = 672.52/x
3. Step 3: Cross multiply
   1,176.79x = 1,623.69 × 672.52
4. Step 4: Simplify right side
   1,176.79x = 1,091,964.00
5. Step 5: Solve for x
   x = 1,091,964.00/1,176.79
6. Step 6: Final answer
   x = 927.92