Finding the Fourth Proportional to 2,548.21, 3,516.48 and 1,429.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.21 : 3,516.48 = 1,429.18 : x
2. Step 2: Convert to fraction form
   2,548.21/3,516.48 = 1,429.18/x
3. Step 3: Cross multiply
   2,548.21x = 3,516.48 × 1,429.18
4. Step 4: Simplify right side
   2,548.21x = 5,025,682.89
5. Step 5: Solve for x
   x = 5,025,682.89/2,548.21
6. Step 6: Final answer
   x = 1,972.24