Finding the Fourth Proportional to 1,096.84, 1,636.77 and 980.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.84 : 1,636.77 = 980.02 : x
2. Step 2: Convert to fraction form
   1,096.84/1,636.77 = 980.02/x
3. Step 3: Cross multiply
   1,096.84x = 1,636.77 × 980.02
4. Step 4: Simplify right side
   1,096.84x = 1,604,063.85
5. Step 5: Solve for x
   x = 1,604,063.85/1,096.84
6. Step 6: Final answer
   x = 1,462.44