Finding the Fourth Proportional to 11,710.58, 17,566.77 and 3,390.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,710.58 : 17,566.77 = 3,390.71 : x
2. Step 2: Convert to fraction form
   11,710.58/17,566.77 = 3,390.71/x
3. Step 3: Cross multiply
   11,710.58x = 17,566.77 × 3,390.71
4. Step 4: Simplify right side
   11,710.58x = 59,563,846.40
5. Step 5: Solve for x
   x = 59,563,846.40/11,710.58
6. Step 6: Final answer
   x = 5,086.33