Finding the Fourth Proportional to 11,010.57, 16,517.18 and 3,615.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,010.57 : 16,517.18 = 3,615.88 : x
2. Step 2: Convert to fraction form
   11,010.57/16,517.18 = 3,615.88/x
3. Step 3: Cross multiply
   11,010.57x = 16,517.18 × 3,615.88
4. Step 4: Simplify right side
   11,010.57x = 59,724,140.82
5. Step 5: Solve for x
   x = 59,724,140.82/11,010.57
6. Step 6: Final answer
   x = 5,424.26