Finding the Fourth Proportional to 12,475.89, 17,215.34 and 7,695.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,475.89 : 17,215.34 = 7,695.07 : x
2. Step 2: Convert to fraction form
   12,475.89/17,215.34 = 7,695.07/x
3. Step 3: Cross multiply
   12,475.89x = 17,215.34 × 7,695.07
4. Step 4: Simplify right side
   12,475.89x = 132,473,164.86
5. Step 5: Solve for x
   x = 132,473,164.86/12,475.89
6. Step 6: Final answer
   x = 10,618.33