Finding the Fourth Proportional to 12,611.69, 17,402.52 and 7,576.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,611.69 : 17,402.52 = 7,576.81 : x
2. Step 2: Convert to fraction form
   12,611.69/17,402.52 = 7,576.81/x
3. Step 3: Cross multiply
   12,611.69x = 17,402.52 × 7,576.81
4. Step 4: Simplify right side
   12,611.69x = 131,855,587.56
5. Step 5: Solve for x
   x = 131,855,587.56/12,611.69
6. Step 6: Final answer
   x = 10,455.03