Finding the Fourth Proportional to 1,194.50, 1,648.42 and 670.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.50 : 1,648.42 = 670.54 : x
2. Step 2: Convert to fraction form
   1,194.50/1,648.42 = 670.54/x
3. Step 3: Cross multiply
   1,194.50x = 1,648.42 × 670.54
4. Step 4: Simplify right side
   1,194.50x = 1,105,331.55
5. Step 5: Solve for x
   x = 1,105,331.55/1,194.50
6. Step 6: Final answer
   x = 925.35