Finding the Fourth Proportional to 10,635.45, 15,952.69 and 3,615.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,635.45 : 15,952.69 = 3,615.18 : x
2. Step 2: Convert to fraction form
   10,635.45/15,952.69 = 3,615.18/x
3. Step 3: Cross multiply
   10,635.45x = 15,952.69 × 3,615.18
4. Step 4: Simplify right side
   10,635.45x = 57,671,845.83
5. Step 5: Solve for x
   x = 57,671,845.83/10,635.45
6. Step 6: Final answer
   x = 5,422.61