Finding the Fourth Proportional to 2,429.96, 3,643.76 and 1,113.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.96 : 3,643.76 = 1,113.32 : x
2. Step 2: Convert to fraction form
   2,429.96/3,643.76 = 1,113.32/x
3. Step 3: Cross multiply
   2,429.96x = 3,643.76 × 1,113.32
4. Step 4: Simplify right side
   2,429.96x = 4,056,647.10
5. Step 5: Solve for x
   x = 4,056,647.10/2,429.96
6. Step 6: Final answer
   x = 1,669.43