Finding the Fourth Proportional to 2,500.05, 3,447.98 and 1,872.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.05 : 3,447.98 = 1,872.07 : x
2. Step 2: Convert to fraction form
   2,500.05/3,447.98 = 1,872.07/x
3. Step 3: Cross multiply
   2,500.05x = 3,447.98 × 1,872.07
4. Step 4: Simplify right side
   2,500.05x = 6,454,859.92
5. Step 5: Solve for x
   x = 6,454,859.92/2,500.05
6. Step 6: Final answer
   x = 2,581.89