Finding the Fourth Proportional to 11,017.49, 16,528.86 and 3,621.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,017.49 : 16,528.86 = 3,621.53 : x
2. Step 2: Convert to fraction form
   11,017.49/16,528.86 = 3,621.53/x
3. Step 3: Cross multiply
   11,017.49x = 16,528.86 × 3,621.53
4. Step 4: Simplify right side
   11,017.49x = 59,859,679.71
5. Step 5: Solve for x
   x = 59,859,679.71/11,017.49
6. Step 6: Final answer
   x = 5,433.15