Finding the Fourth Proportional to 1,169.94, 1,614.69 and 672.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,169.94 : 1,614.69 = 672.48 : x
2. Step 2: Convert to fraction form
   1,169.94/1,614.69 = 672.48/x
3. Step 3: Cross multiply
   1,169.94x = 1,614.69 × 672.48
4. Step 4: Simplify right side
   1,169.94x = 1,085,846.73
5. Step 5: Solve for x
   x = 1,085,846.73/1,169.94
6. Step 6: Final answer
   x = 928.12