Finding the Fourth Proportional to 9,031.20, 12,464.68 and 5,887.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,031.20 : 12,464.68 = 5,887.32 : x
2. Step 2: Convert to fraction form
   9,031.20/12,464.68 = 5,887.32/x
3. Step 3: Cross multiply
   9,031.20x = 12,464.68 × 5,887.32
4. Step 4: Simplify right side
   9,031.20x = 73,383,559.86
5. Step 5: Solve for x
   x = 73,383,559.86/9,031.20
6. Step 6: Final answer
   x = 8,125.56