Finding the Fourth Proportional to 12,760.41, 17,603.67 and 8,507.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,760.41 : 17,603.67 = 8,507.34 : x
2. Step 2: Convert to fraction form
   12,760.41/17,603.67 = 8,507.34/x
3. Step 3: Cross multiply
   12,760.41x = 17,603.67 × 8,507.34
4. Step 4: Simplify right side
   12,760.41x = 149,760,405.94
5. Step 5: Solve for x
   x = 149,760,405.94/12,760.41
6. Step 6: Final answer
   x = 11,736.33