Finding the Fourth Proportional to 12,881.86, 17,776.94 and 7,576.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,881.86 : 17,776.94 = 7,576.68 : x
2. Step 2: Convert to fraction form
   12,881.86/17,776.94 = 7,576.68/x
3. Step 3: Cross multiply
   12,881.86x = 17,776.94 × 7,576.68
4. Step 4: Simplify right side
   12,881.86x = 134,690,185.76
5. Step 5: Solve for x
   x = 134,690,185.76/12,881.86
6. Step 6: Final answer
   x = 10,455.80