Finding the Fourth Proportional to 8,958.41, 12,364.22 and 5,181.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,958.41 : 12,364.22 = 5,181.05 : x
2. Step 2: Convert to fraction form
   8,958.41/12,364.22 = 5,181.05/x
3. Step 3: Cross multiply
   8,958.41x = 12,364.22 × 5,181.05
4. Step 4: Simplify right side
   8,958.41x = 64,059,554.30
5. Step 5: Solve for x
   x = 64,059,554.30/8,958.41
6. Step 6: Final answer
   x = 7,150.78