Finding the Fourth Proportional to 2,500.24, 3,450.82 and 1,438.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.24 : 3,450.82 = 1,438.74 : x
2. Step 2: Convert to fraction form
   2,500.24/3,450.82 = 1,438.74/x
3. Step 3: Cross multiply
   2,500.24x = 3,450.82 × 1,438.74
4. Step 4: Simplify right side
   2,500.24x = 4,964,832.77
5. Step 5: Solve for x
   x = 4,964,832.77/2,500.24
6. Step 6: Final answer
   x = 1,985.74