Finding the Fourth Proportional to 2,904.30, 4,354.56 and 1,148.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,904.30 : 4,354.56 = 1,148.76 : x
2. Step 2: Convert to fraction form
   2,904.30/4,354.56 = 1,148.76/x
3. Step 3: Cross multiply
   2,904.30x = 4,354.56 × 1,148.76
4. Step 4: Simplify right side
   2,904.30x = 5,002,344.35
5. Step 5: Solve for x
   x = 5,002,344.35/2,904.30
6. Step 6: Final answer
   x = 1,722.39