Finding the Fourth Proportional to 11,381.18, 17,062.56 and 7,636.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,381.18 : 17,062.56 = 7,636.82 : x
2. Step 2: Convert to fraction form
   11,381.18/17,062.56 = 7,636.82/x
3. Step 3: Cross multiply
   11,381.18x = 17,062.56 × 7,636.82
4. Step 4: Simplify right side
   11,381.18x = 130,303,614.15
5. Step 5: Solve for x
   x = 130,303,614.15/11,381.18
6. Step 6: Final answer
   x = 11,449.05