Finding the Fourth Proportional to 1,096.52, 1,643.30 and 602.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.52 : 1,643.30 = 602.18 : x
2. Step 2: Convert to fraction form
   1,096.52/1,643.30 = 602.18/x
3. Step 3: Cross multiply
   1,096.52x = 1,643.30 × 602.18
4. Step 4: Simplify right side
   1,096.52x = 989,559.59
5. Step 5: Solve for x
   x = 989,559.59/1,096.52
6. Step 6: Final answer
   x = 902.46