Finding the Fourth Proportional to 2,477.25, 3,418.74 and 1,429.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.25 : 3,418.74 = 1,429.65 : x
2. Step 2: Convert to fraction form
   2,477.25/3,418.74 = 1,429.65/x
3. Step 3: Cross multiply
   2,477.25x = 3,418.74 × 1,429.65
4. Step 4: Simplify right side
   2,477.25x = 4,887,601.64
5. Step 5: Solve for x
   x = 4,887,601.64/2,477.25
6. Step 6: Final answer
   x = 1,972.99