Finding the Fourth Proportional to 11,386.87, 17,080.82 and 3,488.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,386.87 : 17,080.82 = 3,488.81 : x
2. Step 2: Convert to fraction form
   11,386.87/17,080.82 = 3,488.81/x
3. Step 3: Cross multiply
   11,386.87x = 17,080.82 × 3,488.81
4. Step 4: Simplify right side
   11,386.87x = 59,591,787.05
5. Step 5: Solve for x
   x = 59,591,787.05/11,386.87
6. Step 6: Final answer
   x = 5,233.38