Finding the Fourth Proportional to 1,194.69, 1,648.67 and 670.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.69 : 1,648.67 = 670.72 : x
2. Step 2: Convert to fraction form
   1,194.69/1,648.67 = 670.72/x
3. Step 3: Cross multiply
   1,194.69x = 1,648.67 × 670.72
4. Step 4: Simplify right side
   1,194.69x = 1,105,795.94
5. Step 5: Solve for x
   x = 1,105,795.94/1,194.69
6. Step 6: Final answer
   x = 925.59