Finding the Fourth Proportional to 5,003.50, 7,504.89 and 2,081.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,003.50 : 7,504.89 = 2,081.02 : x
2. Step 2: Convert to fraction form
   5,003.50/7,504.89 = 2,081.02/x
3. Step 3: Cross multiply
   5,003.50x = 7,504.89 × 2,081.02
4. Step 4: Simplify right side
   5,003.50x = 15,617,826.19
5. Step 5: Solve for x
   x = 15,617,826.19/5,003.50
6. Step 6: Final answer
   x = 3,121.38