Finding the Fourth Proportional to 1,961.76, 2,941.20 and 1,096.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,961.76 : 2,941.20 = 1,096.32 : x
2. Step 2: Convert to fraction form
   1,961.76/2,941.20 = 1,096.32/x
3. Step 3: Cross multiply
   1,961.76x = 2,941.20 × 1,096.32
4. Step 4: Simplify right side
   1,961.76x = 3,224,496.38
5. Step 5: Solve for x
   x = 3,224,496.38/1,961.76
6. Step 6: Final answer
   x = 1,643.68