Finding the Fourth Proportional to 8,735.12, 12,048.72 and 5,595.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,735.12 : 12,048.72 = 5,595.20 : x
2. Step 2: Convert to fraction form
   8,735.12/12,048.72 = 5,595.20/x
3. Step 3: Cross multiply
   8,735.12x = 12,048.72 × 5,595.20
4. Step 4: Simplify right side
   8,735.12x = 67,414,998.14
5. Step 5: Solve for x
   x = 67,414,998.14/8,735.12
6. Step 6: Final answer
   x = 7,717.70