Finding the Fourth Proportional to 2,429.09, 3,352.15 and 1,434.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.09 : 3,352.15 = 1,434.86 : x
2. Step 2: Convert to fraction form
   2,429.09/3,352.15 = 1,434.86/x
3. Step 3: Cross multiply
   2,429.09x = 3,352.15 × 1,434.86
4. Step 4: Simplify right side
   2,429.09x = 4,809,864.22
5. Step 5: Solve for x
   x = 4,809,864.22/2,429.09
6. Step 6: Final answer
   x = 1,980.11