Finding the Fourth Proportional to 2,171.22, 3,250.17 and 1,429.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.22 : 3,250.17 = 1,429.98 : x
2. Step 2: Convert to fraction form
   2,171.22/3,250.17 = 1,429.98/x
3. Step 3: Cross multiply
   2,171.22x = 3,250.17 × 1,429.98
4. Step 4: Simplify right side
   2,171.22x = 4,647,678.10
5. Step 5: Solve for x
   x = 4,647,678.10/2,171.22
6. Step 6: Final answer
   x = 2,140.58