Finding the Fourth Proportional to 11,580.21, 17,369.55 and 3,682.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,580.21 : 17,369.55 = 3,682.58 : x
2. Step 2: Convert to fraction form
   11,580.21/17,369.55 = 3,682.58/x
3. Step 3: Cross multiply
   11,580.21x = 17,369.55 × 3,682.58
4. Step 4: Simplify right side
   11,580.21x = 63,964,670.59
5. Step 5: Solve for x
   x = 63,964,670.59/11,580.21
6. Step 6: Final answer
   x = 5,523.62