Finding the Fourth Proportional to 2,500.42, 3,448.50 and 1,872.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.42 : 3,448.50 = 1,872.43 : x
2. Step 2: Convert to fraction form
   2,500.42/3,448.50 = 1,872.43/x
3. Step 3: Cross multiply
   2,500.42x = 3,448.50 × 1,872.43
4. Step 4: Simplify right side
   2,500.42x = 6,457,074.86
5. Step 5: Solve for x
   x = 6,457,074.86/2,500.42
6. Step 6: Final answer
   x = 2,582.40