Finding the Fourth Proportional to 2,429.48, 3,643.32 and 869.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.48 : 3,643.32 = 869.06 : x
2. Step 2: Convert to fraction form
   2,429.48/3,643.32 = 869.06/x
3. Step 3: Cross multiply
   2,429.48x = 3,643.32 × 869.06
4. Step 4: Simplify right side
   2,429.48x = 3,166,241.12
5. Step 5: Solve for x
   x = 3,166,241.12/2,429.48
6. Step 6: Final answer
   x = 1,303.26