Finding the Fourth Proportional to 11,018.70, 16,530.48 and 3,622.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,018.70 : 16,530.48 = 3,622.86 : x
2. Step 2: Convert to fraction form
   11,018.70/16,530.48 = 3,622.86/x
3. Step 3: Cross multiply
   11,018.70x = 16,530.48 × 3,622.86
4. Step 4: Simplify right side
   11,018.70x = 59,887,614.77
5. Step 5: Solve for x
   x = 59,887,614.77/11,018.70
6. Step 6: Final answer
   x = 5,435.09