Finding the Fourth Proportional to 2,929.68, 4,395.56 and 981.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,929.68 : 4,395.56 = 981.88 : x
2. Step 2: Convert to fraction form
   2,929.68/4,395.56 = 981.88/x
3. Step 3: Cross multiply
   2,929.68x = 4,395.56 × 981.88
4. Step 4: Simplify right side
   2,929.68x = 4,315,912.45
5. Step 5: Solve for x
   x = 4,315,912.45/2,929.68
6. Step 6: Final answer
   x = 1,473.17