Finding the Fourth Proportional to 10,720.73, 16,082.18 and 3,699.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,720.73 : 16,082.18 = 3,699.92 : x
2. Step 2: Convert to fraction form
   10,720.73/16,082.18 = 3,699.92/x
3. Step 3: Cross multiply
   10,720.73x = 16,082.18 × 3,699.92
4. Step 4: Simplify right side
   10,720.73x = 59,502,779.43
5. Step 5: Solve for x
   x = 59,502,779.43/10,720.73
6. Step 6: Final answer
   x = 5,550.25