Finding the Fourth Proportional to 2,548.88, 3,517.43 and 1,429.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.88 : 3,517.43 = 1,429.91 : x
2. Step 2: Convert to fraction form
   2,548.88/3,517.43 = 1,429.91/x
3. Step 3: Cross multiply
   2,548.88x = 3,517.43 × 1,429.91
4. Step 4: Simplify right side
   2,548.88x = 5,029,583.59
5. Step 5: Solve for x
   x = 5,029,583.59/2,548.88
6. Step 6: Final answer
   x = 1,973.26