Finding the Fourth Proportional to 10,835.67, 16,253.64 and 3,440.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,835.67 : 16,253.64 = 3,440.10 : x
2. Step 2: Convert to fraction form
   10,835.67/16,253.64 = 3,440.10/x
3. Step 3: Cross multiply
   10,835.67x = 16,253.64 × 3,440.10
4. Step 4: Simplify right side
   10,835.67x = 55,914,146.96
5. Step 5: Solve for x
   x = 55,914,146.96/10,835.67
6. Step 6: Final answer
   x = 5,160.19