Finding the Fourth Proportional to 3,935.48, 5,429.98 and 2,499.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,935.48 : 5,429.98 = 2,499.32 : x
2. Step 2: Convert to fraction form
   3,935.48/5,429.98 = 2,499.32/x
3. Step 3: Cross multiply
   3,935.48x = 5,429.98 × 2,499.32
4. Step 4: Simplify right side
   3,935.48x = 13,571,257.61
5. Step 5: Solve for x
   x = 13,571,257.61/3,935.48
6. Step 6: Final answer
   x = 3,448.44