Finding the Fourth Proportional to 10,719.15, 16,080.62 and 3,699.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,719.15 : 16,080.62 = 3,699.92 : x
2. Step 2: Convert to fraction form
   10,719.15/16,080.62 = 3,699.92/x
3. Step 3: Cross multiply
   10,719.15x = 16,080.62 × 3,699.92
4. Step 4: Simplify right side
   10,719.15x = 59,496,908.65
5. Step 5: Solve for x
   x = 59,496,908.65/10,719.15
6. Step 6: Final answer
   x = 5,550.52