Finding the Fourth Proportional to 10,422.18, 15,635.61 and 3,496.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,422.18 : 15,635.61 = 3,496.50 : x
2. Step 2: Convert to fraction form
   10,422.18/15,635.61 = 3,496.50/x
3. Step 3: Cross multiply
   10,422.18x = 15,635.61 × 3,496.50
4. Step 4: Simplify right side
   10,422.18x = 54,669,910.37
5. Step 5: Solve for x
   x = 54,669,910.37/10,422.18
6. Step 6: Final answer
   x = 5,245.54