Finding the Fourth Proportional to 11,018.18, 16,529.11 and 3,621.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,018.18 : 16,529.11 = 3,621.02 : x
2. Step 2: Convert to fraction form
   11,018.18/16,529.11 = 3,621.02/x
3. Step 3: Cross multiply
   11,018.18x = 16,529.11 × 3,621.02
4. Step 4: Simplify right side
   11,018.18x = 59,852,237.89
5. Step 5: Solve for x
   x = 59,852,237.89/11,018.18
6. Step 6: Final answer
   x = 5,432.13