Finding the Fourth Proportional to 11,580.42, 17,367.89 and 3,261.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,580.42 : 17,367.89 = 3,261.18 : x
2. Step 2: Convert to fraction form
   11,580.42/17,367.89 = 3,261.18/x
3. Step 3: Cross multiply
   11,580.42x = 17,367.89 × 3,261.18
4. Step 4: Simplify right side
   11,580.42x = 56,639,799.20
5. Step 5: Solve for x
   x = 56,639,799.20/11,580.42
6. Step 6: Final answer
   x = 4,891.00