Finding the Fourth Proportional to 11,380.40, 17,086.56 and 5,837.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,380.40 : 17,086.56 = 5,837.68 : x
2. Step 2: Convert to fraction form
   11,380.40/17,086.56 = 5,837.68/x
3. Step 3: Cross multiply
   11,380.40x = 17,086.56 × 5,837.68
4. Step 4: Simplify right side
   11,380.40x = 99,745,869.58
5. Step 5: Solve for x
   x = 99,745,869.58/11,380.40
6. Step 6: Final answer
   x = 8,764.71