Finding the Fourth Proportional to 2,548.15, 3,516.36 and 1,429.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.15 : 3,516.36 = 1,429.27 : x
2. Step 2: Convert to fraction form
   2,548.15/3,516.36 = 1,429.27/x
3. Step 3: Cross multiply
   2,548.15x = 3,516.36 × 1,429.27
4. Step 4: Simplify right side
   2,548.15x = 5,025,827.86
5. Step 5: Solve for x
   x = 5,025,827.86/2,548.15
6. Step 6: Final answer
   x = 1,972.34