Finding the Fourth Proportional to 3,500.58, 5,251.05 and 903.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,500.58 : 5,251.05 = 903.54 : x
2. Step 2: Convert to fraction form
   3,500.58/5,251.05 = 903.54/x
3. Step 3: Cross multiply
   3,500.58x = 5,251.05 × 903.54
4. Step 4: Simplify right side
   3,500.58x = 4,744,533.72
5. Step 5: Solve for x
   x = 4,744,533.72/3,500.58
6. Step 6: Final answer
   x = 1,355.36