Finding the Fourth Proportional to 11,091.84, 16,629.56 and 5,241.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,091.84 : 16,629.56 = 5,241.62 : x
2. Step 2: Convert to fraction form
   11,091.84/16,629.56 = 5,241.62/x
3. Step 3: Cross multiply
   11,091.84x = 16,629.56 × 5,241.62
4. Step 4: Simplify right side
   11,091.84x = 87,165,724.93
5. Step 5: Solve for x
   x = 87,165,724.93/11,091.84
6. Step 6: Final answer
   x = 7,858.55