Finding the Fourth Proportional to 2,904.72, 4,358.79 and 1,149.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,904.72 : 4,358.79 = 1,149.89 : x
2. Step 2: Convert to fraction form
   2,904.72/4,358.79 = 1,149.89/x
3. Step 3: Cross multiply
   2,904.72x = 4,358.79 × 1,149.89
4. Step 4: Simplify right side
   2,904.72x = 5,012,129.03
5. Step 5: Solve for x
   x = 5,012,129.03/2,904.72
6. Step 6: Final answer
   x = 1,725.51