Finding the Fourth Proportional to 10,699.84, 16,051.56 and 3,679.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,699.84 : 16,051.56 = 3,679.57 : x
2. Step 2: Convert to fraction form
   10,699.84/16,051.56 = 3,679.57/x
3. Step 3: Cross multiply
   10,699.84x = 16,051.56 × 3,679.57
4. Step 4: Simplify right side
   10,699.84x = 59,062,844.90
5. Step 5: Solve for x
   x = 59,062,844.90/10,699.84
6. Step 6: Final answer
   x = 5,519.97