Finding the Fourth Proportional to 3,003.10, 4,501.35 and 1,054.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,003.10 : 4,501.35 = 1,054.30 : x
2. Step 2: Convert to fraction form
   3,003.10/4,501.35 = 1,054.30/x
3. Step 3: Cross multiply
   3,003.10x = 4,501.35 × 1,054.30
4. Step 4: Simplify right side
   3,003.10x = 4,745,773.31
5. Step 5: Solve for x
   x = 4,745,773.31/3,003.10
6. Step 6: Final answer
   x = 1,580.29