Finding the Fourth Proportional to 11,710.24, 17,562.72 and 3,388.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,710.24 : 17,562.72 = 3,388.40 : x
2. Step 2: Convert to fraction form
   11,710.24/17,562.72 = 3,388.40/x
3. Step 3: Cross multiply
   11,710.24x = 17,562.72 × 3,388.40
4. Step 4: Simplify right side
   11,710.24x = 59,509,520.45
5. Step 5: Solve for x
   x = 59,509,520.45/11,710.24
6. Step 6: Final answer
   x = 5,081.84