Finding the Fourth Proportional to 1,194.53, 1,648.53 and 670.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.53 : 1,648.53 = 670.57 : x
2. Step 2: Convert to fraction form
   1,194.53/1,648.53 = 670.57/x
3. Step 3: Cross multiply
   1,194.53x = 1,648.53 × 670.57
4. Step 4: Simplify right side
   1,194.53x = 1,105,443.17
5. Step 5: Solve for x
   x = 1,105,443.17/1,194.53
6. Step 6: Final answer
   x = 925.42