Finding the Fourth Proportional to 2,546.58, 3,819.39 and 903.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.58 : 3,819.39 = 903.12 : x
2. Step 2: Convert to fraction form
   2,546.58/3,819.39 = 903.12/x
3. Step 3: Cross multiply
   2,546.58x = 3,819.39 × 903.12
4. Step 4: Simplify right side
   2,546.58x = 3,449,367.50
5. Step 5: Solve for x
   x = 3,449,367.50/2,546.58
6. Step 6: Final answer
   x = 1,354.51