Finding the Fourth Proportional to 12,855.52, 17,746.37 and 7,550.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,855.52 : 17,746.37 = 7,550.67 : x
2. Step 2: Convert to fraction form
   12,855.52/17,746.37 = 7,550.67/x
3. Step 3: Cross multiply
   12,855.52x = 17,746.37 × 7,550.67
4. Step 4: Simplify right side
   12,855.52x = 133,996,983.57
5. Step 5: Solve for x
   x = 133,996,983.57/12,855.52
6. Step 6: Final answer
   x = 10,423.30