Finding the Fourth Proportional to 10,719.87, 16,077.39 and 3,699.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,719.87 : 16,077.39 = 3,699.60 : x
2. Step 2: Convert to fraction form
   10,719.87/16,077.39 = 3,699.60/x
3. Step 3: Cross multiply
   10,719.87x = 16,077.39 × 3,699.60
4. Step 4: Simplify right side
   10,719.87x = 59,479,883.10
5. Step 5: Solve for x
   x = 59,479,883.10/10,719.87
6. Step 6: Final answer
   x = 5,548.56