Finding the Fourth Proportional to 2,158.06, 3,236.28 and 1,003

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.06 : 3,236.28 = 1,003 : x
2. Step 2: Convert to fraction form
   2,158.06/3,236.28 = 1,003/x
3. Step 3: Cross multiply
   2,158.06x = 3,236.28 × 1,003
4. Step 4: Simplify right side
   2,158.06x = 3,245,988.84
5. Step 5: Solve for x
   x = 3,245,988.84/2,158.06
6. Step 6: Final answer
   x = 1,504.12