Finding the Fourth Proportional to 10,699.90, 16,051.37 and 3,581.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,699.90 : 16,051.37 = 3,581.82 : x
2. Step 2: Convert to fraction form
   10,699.90/16,051.37 = 3,581.82/x
3. Step 3: Cross multiply
   10,699.90x = 16,051.37 × 3,581.82
4. Step 4: Simplify right side
   10,699.90x = 57,493,100.18
5. Step 5: Solve for x
   x = 57,493,100.18/10,699.90
6. Step 6: Final answer
   x = 5,373.24