Finding the Fourth Proportional to 1,520.34, 2,096.76 and 989.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520.34 : 2,096.76 = 989.03 : x
2. Step 2: Convert to fraction form
   1,520.34/2,096.76 = 989.03/x
3. Step 3: Cross multiply
   1,520.34x = 2,096.76 × 989.03
4. Step 4: Simplify right side
   1,520.34x = 2,073,753.60
5. Step 5: Solve for x
   x = 2,073,753.60/1,520.34
6. Step 6: Final answer
   x = 1,364.01