Finding the Fourth Proportional to 8,150.47, 11,240.71 and 5,494.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.47 : 11,240.71 = 5,494.39 : x
2. Step 2: Convert to fraction form
   8,150.47/11,240.71 = 5,494.39/x
3. Step 3: Cross multiply
   8,150.47x = 11,240.71 × 5,494.39
4. Step 4: Simplify right side
   8,150.47x = 61,760,844.62
5. Step 5: Solve for x
   x = 61,760,844.62/8,150.47
6. Step 6: Final answer
   x = 7,577.58