Finding the Fourth Proportional to 2,500.52, 3,450.83 and 1,438.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.52 : 3,450.83 = 1,438.63 : x
2. Step 2: Convert to fraction form
   2,500.52/3,450.83 = 1,438.63/x
3. Step 3: Cross multiply
   2,500.52x = 3,450.83 × 1,438.63
4. Step 4: Simplify right side
   2,500.52x = 4,964,451.74
5. Step 5: Solve for x
   x = 4,964,451.74/2,500.52
6. Step 6: Final answer
   x = 1,985.37