Finding the Fourth Proportional to 10,719.23, 16,081.20 and 3,603.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,719.23 : 16,081.20 = 3,603.22 : x
2. Step 2: Convert to fraction form
   10,719.23/16,081.20 = 3,603.22/x
3. Step 3: Cross multiply
   10,719.23x = 16,081.20 × 3,603.22
4. Step 4: Simplify right side
   10,719.23x = 57,944,061.26
5. Step 5: Solve for x
   x = 57,944,061.26/10,719.23
6. Step 6: Final answer
   x = 5,405.62