Finding the Fourth Proportional to 1,448.46, 2,171.88 and 1,429.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448.46 : 2,171.88 = 1,429.02 : x
2. Step 2: Convert to fraction form
   1,448.46/2,171.88 = 1,429.02/x
3. Step 3: Cross multiply
   1,448.46x = 2,171.88 × 1,429.02
4. Step 4: Simplify right side
   1,448.46x = 3,103,659.96
5. Step 5: Solve for x
   x = 3,103,659.96/1,448.46
6. Step 6: Final answer
   x = 2,142.73