Finding the Fourth Proportional to 2,429.61, 3,352.71 and 1,434.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.61 : 3,352.71 = 1,434.69 : x
2. Step 2: Convert to fraction form
   2,429.61/3,352.71 = 1,434.69/x
3. Step 3: Cross multiply
   2,429.61x = 3,352.71 × 1,434.69
4. Step 4: Simplify right side
   2,429.61x = 4,810,099.51
5. Step 5: Solve for x
   x = 4,810,099.51/2,429.61
6. Step 6: Final answer
   x = 1,979.78