Finding the Fourth Proportional to 6,521.33, 8,992.82 and 5,580.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,521.33 : 8,992.82 = 5,580.25 : x
2. Step 2: Convert to fraction form
   6,521.33/8,992.82 = 5,580.25/x
3. Step 3: Cross multiply
   6,521.33x = 8,992.82 × 5,580.25
4. Step 4: Simplify right side
   6,521.33x = 50,182,175.27
5. Step 5: Solve for x
   x = 50,182,175.27/6,521.33
6. Step 6: Final answer
   x = 7,695.08