Finding the Fourth Proportional to 9,131.42, 12,601.49 and 5,987.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.42 : 12,601.49 = 5,987.54 : x
2. Step 2: Convert to fraction form
   9,131.42/12,601.49 = 5,987.54/x
3. Step 3: Cross multiply
   9,131.42x = 12,601.49 × 5,987.54
4. Step 4: Simplify right side
   9,131.42x = 75,451,832.49
5. Step 5: Solve for x
   x = 75,451,832.49/9,131.42
6. Step 6: Final answer
   x = 8,262.89