Finding the Fourth Proportional to 5,884.78, 8,116.23 and 5,175.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,884.78 : 8,116.23 = 5,175.12 : x
2. Step 2: Convert to fraction form
   5,884.78/8,116.23 = 5,175.12/x
3. Step 3: Cross multiply
   5,884.78x = 8,116.23 × 5,175.12
4. Step 4: Simplify right side
   5,884.78x = 42,002,464.20
5. Step 5: Solve for x
   x = 42,002,464.20/5,884.78
6. Step 6: Final answer
   x = 7,137.47