Finding the Fourth Proportional to 1,520.16, 2,096.78 and 961.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520.16 : 2,096.78 = 961.34 : x
2. Step 2: Convert to fraction form
   1,520.16/2,096.78 = 961.34/x
3. Step 3: Cross multiply
   1,520.16x = 2,096.78 × 961.34
4. Step 4: Simplify right side
   1,520.16x = 2,015,718.49
5. Step 5: Solve for x
   x = 2,015,718.49/1,520.16
6. Step 6: Final answer
   x = 1,325.99