Finding the Fourth Proportional to 2,499.78, 3,450.37 and 1,437.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.78 : 3,450.37 = 1,437.67 : x
2. Step 2: Convert to fraction form
   2,499.78/3,450.37 = 1,437.67/x
3. Step 3: Cross multiply
   2,499.78x = 3,450.37 × 1,437.67
4. Step 4: Simplify right side
   2,499.78x = 4,960,474.39
5. Step 5: Solve for x
   x = 4,960,474.39/2,499.78
6. Step 6: Final answer
   x = 1,984.36