Finding the Fourth Proportional to 2,499.57, 3,447.86 and 2,003.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.57 : 3,447.86 = 2,003.39 : x
2. Step 2: Convert to fraction form
   2,499.57/3,447.86 = 2,003.39/x
3. Step 3: Cross multiply
   2,499.57x = 3,447.86 × 2,003.39
4. Step 4: Simplify right side
   2,499.57x = 6,907,421.87
5. Step 5: Solve for x
   x = 6,907,421.87/2,499.57
6. Step 6: Final answer
   x = 2,763.44