Finding the Fourth Proportional to 2,548.22, 3,516.70 and 1,429.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.22 : 3,516.70 = 1,429.23 : x
2. Step 2: Convert to fraction form
   2,548.22/3,516.70 = 1,429.23/x
3. Step 3: Cross multiply
   2,548.22x = 3,516.70 × 1,429.23
4. Step 4: Simplify right side
   2,548.22x = 5,026,169.52
5. Step 5: Solve for x
   x = 5,026,169.52/2,548.22
6. Step 6: Final answer
   x = 1,972.43