Finding the Fourth Proportional to 3,375.39, 5,064.98 and 1,429.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,375.39 : 5,064.98 = 1,429.05 : x
2. Step 2: Convert to fraction form
   3,375.39/5,064.98 = 1,429.05/x
3. Step 3: Cross multiply
   3,375.39x = 5,064.98 × 1,429.05
4. Step 4: Simplify right side
   3,375.39x = 7,238,102.52
5. Step 5: Solve for x
   x = 7,238,102.52/3,375.39
6. Step 6: Final answer
   x = 2,144.38