Finding the Fourth Proportional to 2,980.88, 4,472.28 and 1,249.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.88 : 4,472.28 = 1,249.04 : x
2. Step 2: Convert to fraction form
   2,980.88/4,472.28 = 1,249.04/x
3. Step 3: Cross multiply
   2,980.88x = 4,472.28 × 1,249.04
4. Step 4: Simplify right side
   2,980.88x = 5,586,056.61
5. Step 5: Solve for x
   x = 5,586,056.61/2,980.88
6. Step 6: Final answer
   x = 1,873.96