Finding the Fourth Proportional to 2,477.39, 3,418.77 and 1,429.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.39 : 3,418.77 = 1,429.43 : x
2. Step 2: Convert to fraction form
   2,477.39/3,418.77 = 1,429.43/x
3. Step 3: Cross multiply
   2,477.39x = 3,418.77 × 1,429.43
4. Step 4: Simplify right side
   2,477.39x = 4,886,892.40
5. Step 5: Solve for x
   x = 4,886,892.40/2,477.39
6. Step 6: Final answer
   x = 1,972.60