Finding the Fourth Proportional to 2,441.96, 3,664.68 and 981.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,441.96 : 3,664.68 = 981.20 : x
2. Step 2: Convert to fraction form
   2,441.96/3,664.68 = 981.20/x
3. Step 3: Cross multiply
   2,441.96x = 3,664.68 × 981.20
4. Step 4: Simplify right side
   2,441.96x = 3,595,784.02
5. Step 5: Solve for x
   x = 3,595,784.02/2,441.96
6. Step 6: Final answer
   x = 1,472.50