Finding the Fourth Proportional to 9,151.34, 12,618.83 and 5,958.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,151.34 : 12,618.83 = 5,958.75 : x
2. Step 2: Convert to fraction form
   9,151.34/12,618.83 = 5,958.75/x
3. Step 3: Cross multiply
   9,151.34x = 12,618.83 × 5,958.75
4. Step 4: Simplify right side
   9,151.34x = 75,192,453.26
5. Step 5: Solve for x
   x = 75,192,453.26/9,151.34
6. Step 6: Final answer
   x = 8,216.55