Finding the Fourth Proportional to 2,548.65, 3,517.31 and 1,429.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.65 : 3,517.31 = 1,429.67 : x
2. Step 2: Convert to fraction form
   2,548.65/3,517.31 = 1,429.67/x
3. Step 3: Cross multiply
   2,548.65x = 3,517.31 × 1,429.67
4. Step 4: Simplify right side
   2,548.65x = 5,028,567.85
5. Step 5: Solve for x
   x = 5,028,567.85/2,548.65
6. Step 6: Final answer
   x = 1,973.03