Finding the Fourth Proportional to 1,096.82, 1,643.25 and 602.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.82 : 1,643.25 = 602.70 : x
2. Step 2: Convert to fraction form
   1,096.82/1,643.25 = 602.70/x
3. Step 3: Cross multiply
   1,096.82x = 1,643.25 × 602.70
4. Step 4: Simplify right side
   1,096.82x = 990,386.78
5. Step 5: Solve for x
   x = 990,386.78/1,096.82
6. Step 6: Final answer
   x = 902.96