Finding the Fourth Proportional to 11,019.70, 16,531.98 and 3,623.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,019.70 : 16,531.98 = 3,623.86 : x
2. Step 2: Convert to fraction form
   11,019.70/16,531.98 = 3,623.86/x
3. Step 3: Cross multiply
   11,019.70x = 16,531.98 × 3,623.86
4. Step 4: Simplify right side
   11,019.70x = 59,909,581.04
5. Step 5: Solve for x
   x = 59,909,581.04/11,019.70
6. Step 6: Final answer
   x = 5,436.59