Finding the Fourth Proportional to 9,521.82, 13,138.55 and 5,982.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,521.82 : 13,138.55 = 5,982.51 : x
2. Step 2: Convert to fraction form
   9,521.82/13,138.55 = 5,982.51/x
3. Step 3: Cross multiply
   9,521.82x = 13,138.55 × 5,982.51
4. Step 4: Simplify right side
   9,521.82x = 78,601,476.85
5. Step 5: Solve for x
   x = 78,601,476.85/9,521.82
6. Step 6: Final answer
   x = 8,254.88