Finding the Fourth Proportional to 10,609.18, 15,915.73 and 3,493.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,609.18 : 15,915.73 = 3,493.82 : x
2. Step 2: Convert to fraction form
   10,609.18/15,915.73 = 3,493.82/x
3. Step 3: Cross multiply
   10,609.18x = 15,915.73 × 3,493.82
4. Step 4: Simplify right side
   10,609.18x = 55,606,666.80
5. Step 5: Solve for x
   x = 55,606,666.80/10,609.18
6. Step 6: Final answer
   x = 5,241.37