Finding the Fourth Proportional to 2,548.31, 3,516.67 and 1,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.31 : 3,516.67 = 1,429.50 : x
2. Step 2: Convert to fraction form
   2,548.31/3,516.67 = 1,429.50/x
3. Step 3: Cross multiply
   2,548.31x = 3,516.67 × 1,429.50
4. Step 4: Simplify right side
   2,548.31x = 5,027,066.92
5. Step 5: Solve for x
   x = 5,027,066.92/2,548.31
6. Step 6: Final answer
   x = 1,972.71