Finding the Fourth Proportional to 3,499.34, 4,828.12 and 2,435.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.34 : 4,828.12 = 2,435.90 : x
2. Step 2: Convert to fraction form
   3,499.34/4,828.12 = 2,435.90/x
3. Step 3: Cross multiply
   3,499.34x = 4,828.12 × 2,435.90
4. Step 4: Simplify right side
   3,499.34x = 11,760,823.49
5. Step 5: Solve for x
   x = 11,760,823.49/3,499.34
6. Step 6: Final answer
   x = 3,360.87