Finding the Fourth Proportional to 3,429.58, 5,146.42 and 1,481.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.58 : 5,146.42 = 1,481.78 : x
2. Step 2: Convert to fraction form
   3,429.58/5,146.42 = 1,481.78/x
3. Step 3: Cross multiply
   3,429.58x = 5,146.42 × 1,481.78
4. Step 4: Simplify right side
   3,429.58x = 7,625,862.23
5. Step 5: Solve for x
   x = 7,625,862.23/3,429.58
6. Step 6: Final answer
   x = 2,223.56