Finding the Fourth Proportional to 2,548.07, 3,516.61 and 1,429.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.07 : 3,516.61 = 1,429.11 : x
2. Step 2: Convert to fraction form
   2,548.07/3,516.61 = 1,429.11/x
3. Step 3: Cross multiply
   2,548.07x = 3,516.61 × 1,429.11
4. Step 4: Simplify right side
   2,548.07x = 5,025,622.52
5. Step 5: Solve for x
   x = 5,025,622.52/2,548.07
6. Step 6: Final answer
   x = 1,972.33