Finding the Fourth Proportional to 12,380.64, 17,081.55 and 7,595.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380.64 : 17,081.55 = 7,595.67 : x
2. Step 2: Convert to fraction form
   12,380.64/17,081.55 = 7,595.67/x
3. Step 3: Cross multiply
   12,380.64x = 17,081.55 × 7,595.67
4. Step 4: Simplify right side
   12,380.64x = 129,745,816.89
5. Step 5: Solve for x
   x = 129,745,816.89/12,380.64
6. Step 6: Final answer
   x = 10,479.73