Finding the Fourth Proportional to 2,429.82, 3,645.95 and 1,131.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.82 : 3,645.95 = 1,131.12 : x
2. Step 2: Convert to fraction form
   2,429.82/3,645.95 = 1,131.12/x
3. Step 3: Cross multiply
   2,429.82x = 3,645.95 × 1,131.12
4. Step 4: Simplify right side
   2,429.82x = 4,124,001.31
5. Step 5: Solve for x
   x = 4,124,001.31/2,429.82
6. Step 6: Final answer
   x = 1,697.25