Finding the Fourth Proportional to 1,168.69, 1,612.74 and 670.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.69 : 1,612.74 = 670.98 : x
2. Step 2: Convert to fraction form
   1,168.69/1,612.74 = 670.98/x
3. Step 3: Cross multiply
   1,168.69x = 1,612.74 × 670.98
4. Step 4: Simplify right side
   1,168.69x = 1,082,112.93
5. Step 5: Solve for x
   x = 1,082,112.93/1,168.69
6. Step 6: Final answer
   x = 925.92