Finding the Fourth Proportional to 2,477.42, 3,418.68 and 1,429.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.42 : 3,418.68 = 1,429.46 : x
2. Step 2: Convert to fraction form
   2,477.42/3,418.68 = 1,429.46/x
3. Step 3: Cross multiply
   2,477.42x = 3,418.68 × 1,429.46
4. Step 4: Simplify right side
   2,477.42x = 4,886,866.31
5. Step 5: Solve for x
   x = 4,886,866.31/2,477.42
6. Step 6: Final answer
   x = 1,972.56