Finding the Fourth Proportional to 1,194.63, 1,648.59 and 670.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.63 : 1,648.59 = 670.65 : x
2. Step 2: Convert to fraction form
   1,194.63/1,648.59 = 670.65/x
3. Step 3: Cross multiply
   1,194.63x = 1,648.59 × 670.65
4. Step 4: Simplify right side
   1,194.63x = 1,105,626.88
5. Step 5: Solve for x
   x = 1,105,626.88/1,194.63
6. Step 6: Final answer
   x = 925.50