Finding the Fourth Proportional to 2,548.51, 3,517.15 and 1,429.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.51 : 3,517.15 = 1,429.56 : x
2. Step 2: Convert to fraction form
   2,548.51/3,517.15 = 1,429.56/x
3. Step 3: Cross multiply
   2,548.51x = 3,517.15 × 1,429.56
4. Step 4: Simplify right side
   2,548.51x = 5,027,976.95
5. Step 5: Solve for x
   x = 5,027,976.95/2,548.51
6. Step 6: Final answer
   x = 1,972.91