Finding the Fourth Proportional to 2,429.64, 3,645.12 and 1,114.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.64 : 3,645.12 = 1,114.24 : x
2. Step 2: Convert to fraction form
   2,429.64/3,645.12 = 1,114.24/x
3. Step 3: Cross multiply
   2,429.64x = 3,645.12 × 1,114.24
4. Step 4: Simplify right side
   2,429.64x = 4,061,538.51
5. Step 5: Solve for x
   x = 4,061,538.51/2,429.64
6. Step 6: Final answer
   x = 1,671.66