Finding the Fourth Proportional to 11,380.76, 17,078.43 and 5,534.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,380.76 : 17,078.43 = 5,534.18 : x
2. Step 2: Convert to fraction form
   11,380.76/17,078.43 = 5,534.18/x
3. Step 3: Cross multiply
   11,380.76x = 17,078.43 × 5,534.18
4. Step 4: Simplify right side
   11,380.76x = 94,515,105.74
5. Step 5: Solve for x
   x = 94,515,105.74/11,380.76
6. Step 6: Final answer
   x = 8,304.81