Finding the Fourth Proportional to 2,548.56, 3,516.81 and 1,429.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.56 : 3,516.81 = 1,429.35 : x
2. Step 2: Convert to fraction form
   2,548.56/3,516.81 = 1,429.35/x
3. Step 3: Cross multiply
   2,548.56x = 3,516.81 × 1,429.35
4. Step 4: Simplify right side
   2,548.56x = 5,026,727.64
5. Step 5: Solve for x
   x = 5,026,727.64/2,548.56
6. Step 6: Final answer
   x = 1,972.38