Finding the Fourth Proportional to 10,429.36, 15,634.32 and 3,499

Step by Step Solution

1. Step 1: Write the proportion equation
   10,429.36 : 15,634.32 = 3,499 : x
2. Step 2: Convert to fraction form
   10,429.36/15,634.32 = 3,499/x
3. Step 3: Cross multiply
   10,429.36x = 15,634.32 × 3,499
4. Step 4: Simplify right side
   10,429.36x = 54,704,485.68
5. Step 5: Solve for x
   x = 54,704,485.68/10,429.36
6. Step 6: Final answer
   x = 5,245.24