Finding the Fourth Proportional to 8,959.22, 12,362.74 and 5,181.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,959.22 : 12,362.74 = 5,181.82 : x
2. Step 2: Convert to fraction form
   8,959.22/12,362.74 = 5,181.82/x
3. Step 3: Cross multiply
   8,959.22x = 12,362.74 × 5,181.82
4. Step 4: Simplify right side
   8,959.22x = 64,061,493.39
5. Step 5: Solve for x
   x = 64,061,493.39/8,959.22
6. Step 6: Final answer
   x = 7,150.34